Why this chapter matters for UPSC: Chapter 8 of Contemporary World Politics bridges international relations with environmental science — making it a goldmine for both GS Paper 2 (international organisations, India's foreign policy) and GS Paper 3 (environment, conservation). The CBDR principle, Kyoto Protocol's differentiation between developed and developing nations, India's negotiating positions at COPs, the Paris Agreement's NDC architecture, and the North-South climate divide are perennial examination themes.

Contemporary hook (for Mains introductions): The approval of India's NDC 3.0 (March 2026) — targeting a 47% emissions intensity cut and 60% non-fossil power capacity by 2035 — places India at the forefront of ambitious developing-country climate action. Yet the fundamental tension this chapter explores — between historical emitters in the Global North demanding rapid action and historically low-emitting developing nations asserting their right to development — remains the central fault line of global climate politics, from Stockholm 1972 to COP30 (Belém 2025).


PART 1 — Quick Reference Tables

📌 Key Fact: Major Environmental Milestones

Event / Treaty Year Key Outcome
Stockholm Conference (UNCHE) 1972 First major UN environment conference; created UNEP; "Only One Earth"
Brundtland Commission Report 1987 Defined Sustainable Development: "meets present needs without compromising future generations"
Rio Earth Summit (UNCED) 1992 (3–14 June) Rio Declaration (27 principles), Agenda 21, UNFCCC opened, CBD opened, Forest Principles
UNFCCC Opened 1992, in force 1994 Framework for climate negotiations; no binding targets itself
Convention on Biological Diversity (CBD) Opened 1992, in force 1993 Conservation of biodiversity; sustainable use; benefit sharing
Kyoto Protocol Adopted 1997, in force 2005 Binding targets for Annex I (developed) countries; CDM for developing nations
Cartagena Protocol on Biosafety Adopted 2000, in force 2003 Safe transfer of Living Modified Organisms (LMOs/GMOs)
Nagoya Protocol Adopted 2010, in force 2014 Access and Benefit Sharing (ABS) of genetic resources
Paris Agreement Adopted 12 December 2015 NDC architecture; 1.5°C target; in force November 2016
COP26 (Glasgow) 2021 Glasgow Climate Pact; India's 2070 net-zero pledge; "phase down" of coal
COP27 (Sharm el-Sheikh) 2022 Loss and Damage Fund established
COP28 (Dubai) 2023 First Global Stocktake; "transition away" from fossil fuels
India NDC 3.0 March 2026 47% emissions intensity cut by 2035; 60% non-fossil capacity

Global Commons: The Four Areas

Global Common Governing Framework Key Features Challenges
Atmosphere UNFCCC, Paris Agreement Climate system; ozone layer (Montreal Protocol 1987) Greenhouse gas emissions; ozone depletion
Antarctica Antarctic Treaty System (1959/1961) No territorial claims recognised; no military use; scientific research Resource extraction debates; tourism impacts
High Seas UNCLOS (1982); BBNJ Treaty (2023) Oceans beyond 200 nm EEZ of any state Overfishing; deep-sea mining; plastic pollution
Outer Space Outer Space Treaty (1967) No national appropriation; no WMDs; free exploration Satellite debris; commercial exploitation; militarisation

Kyoto Protocol: Annex I vs Non-Annex Countries

Feature Annex I (Developed) Countries Non-Annex I (Developing) Countries
Examples USA, EU nations, Japan, Canada, Australia, Russia India, China, Brazil, South Africa
Binding targets Yes — average 5% reduction from 1990 levels (2008–2012) No — voluntary compliance only
Flexibility mechanisms Joint Implementation (JI), Emissions Trading Clean Development Mechanism (CDM)
CDM role Buy carbon credits from developing countries Generate CERs through clean projects; sold to Annex I
India's status Exempt from binding obligations; active CDM participant
US ratification USA did not ratify Kyoto Protocol
Rationale Historical responsibility for GHG accumulation Right to development; low per capita emissions

Paris Agreement: Architecture at a Glance

Feature Detail
Adopted 12 December 2015, COP21, Paris
In force 4 November 2016
Parties 195 Parties (as of 2024)
Temperature goal Limit warming to well below 2°C, pursuing efforts to limit to 1.5°C
NDC mechanism Each country submits Nationally Determined Contributions (NDCs); successive NDCs must be more ambitious
Finance Developed nations to mobilise USD 100 billion/year for developing nations (the "climate finance" commitment)
Loss and Damage Established at COP27 (2022) — fund for vulnerable nations suffering irreversible climate impacts
Review mechanism Global Stocktake every 5 years (first at COP28, 2023)
Long-term goal Net-zero emissions in second half of 21st century
India's NDC 2022 45% emissions intensity cut by 2030; 50% non-fossil capacity by 2030
India's NDC 3.0 (2026) 47% emissions intensity cut by 2035; 60% non-fossil capacity by 2035

North-South Climate Divide: Key Arguments

Dimension Global North (Developed Countries) Global South (Developing Countries)
Historical responsibility "All nations must act urgently" "You caused the problem — you must lead on solutions"
Per capita emissions High (USA ~15t CO₂/person/year) Low (India ~2t CO₂/person/year)
Development right "We have the right to develop as you did"
Financing "We have committed USD 100 billion/year" "Commitment inadequate and unmet; need grants, not loans"
Technology transfer Promote clean tech markets Demand affordable/free access to clean technologies
Adaptation vs Mitigation Prioritise mitigation (reducing emissions) Equal or greater emphasis on adaptation (surviving existing change)
Loss and Damage Long resisted the concept Fought for 30 years; won at COP27 (2022)
CBDR principle Accept in principle but want China and India to take on binding targets CBDR must be strictly applied; emerging economies not yet responsible for binding cuts

PART 2 — Chapter Narrative

Why Environment Became a Political Issue

For most of human history, the environment was treated as a limitless resource — available for exploitation and infinitely resilient. The industrial revolution shattered this assumption. By the mid-20th century, pollution, resource depletion, and early signs of climate change had forced environmental concerns onto the political agenda.

The key insight is that environmental resources do not respect national borders. Rivers flow across countries; atmospheric pollution spreads globally; overfishing in one ocean affects fish stocks everywhere. This creates what economists call "common pool resource" problems — when no one owns a resource, everyone tends to overuse it (Garrett Hardin's "Tragedy of the Commons," 1968).

For international relations, this means environmental problems require international solutions — but sovereign states with different levels of development, different interests, and different historical responsibilities resist binding obligations. The resulting negotiations — from Stockholm 1972 to COP28 Dubai 2023 — represent some of the most complex and politically charged diplomatic arenas in modern history.


Global Commons: Shared but Contested

Global commons are areas and resources that lie outside national jurisdiction — the atmosphere, outer space, the high seas, and Antarctica. They are shared by all humanity but owned by none.

The Atmosphere

The atmosphere is the most consequential global common. Greenhouse gases — primarily carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O) — accumulate in the atmosphere regardless of where they are emitted. A tonne of CO₂ emitted in the United States has the same warming effect as one emitted in Bangladesh. Yet the consequences of that warming are felt differently — Bangladesh, with its low-lying deltaic geography, faces existential sea-level rise, while the United States has far more capacity to adapt.

This asymmetry — unequal contribution, unequal impact, unequal capacity — is the structural foundation of the North-South climate debate.

Antarctica

The Antarctic Treaty (signed 1 December 1959, entered into force 23 June 1961) set aside Antarctica for peaceful scientific purposes, prohibited military activities, and suspended territorial claims. It has since been supplemented by the Protocol on Environmental Protection (1991, the "Madrid Protocol"), which bans mineral resource activities for 50 years. Antarctica serves as a critical climate indicator — Antarctic ice cores provide 800,000 years of atmospheric data.

The High Seas

The UN Convention on the Law of the Sea (UNCLOS), adopted in 1982 and in force from 1994, governs ocean governance. However, the high seas — areas beyond national Exclusive Economic Zones — long lacked a comprehensive governance framework. The BBNJ Treaty (Agreement on Biodiversity Beyond National Jurisdiction, adopted June 2023) is a landmark step toward protecting marine biodiversity in these areas.


The Road to Rio: Stockholm to 1992

Stockholm Conference (1972)

The UN Conference on the Human Environment (Stockholm, Sweden, 5–16 June 1972) was the first major international conference on the environment. It:

  • Created the UN Environment Programme (UNEP)
  • Produced the Stockholm Declaration of 26 principles
  • Coined the phrase "Only One Earth"
  • Was attended by India (PM Indira Gandhi gave a landmark speech connecting poverty and environment)

💡 Explainer: Indira Gandhi at Stockholm 1972

Prime Minister Indira Gandhi's speech at the Stockholm Conference remains one of the most cited interventions in the history of environmental diplomacy. She asked: "Are not poverty and need the greatest polluters?" She connected environmental degradation with underdevelopment, arguing that the poor had no choice but to exploit their immediate environment to survive. This framing — that development and environment are inseparable — anticipated the Brundtland Commission's Sustainable Development concept by 15 years and continues to anchor India's climate diplomacy.

Brundtland Report (1987)

The World Commission on Environment and Development, chaired by Norwegian PM Gro Harlem Brundtland, published Our Common Future in 1987. It defined Sustainable Development as: "development that meets the needs of the present without compromising the ability of future generations to meet their own needs." This definition is perhaps the most quoted phrase in all of environmental governance.


Rio Earth Summit (1992): The Turning Point

The UN Conference on Environment and Development (UNCED), held in Rio de Janeiro, Brazil, from 3 to 14 June 1992, was the largest UN conference to that date — attended by 178 governments and over 100 heads of state. It produced several landmark agreements:

Rio Declaration

27 principles governing the relationship between humanity and the environment. Principle 7 established the Common But Differentiated Responsibilities (CBDR) principle — the most important principle for understanding all subsequent climate negotiations.

Agenda 21

A comprehensive, non-binding action plan for sustainable development in the 21st century. It addressed everything from combating poverty to managing marine resources to changing production patterns. Its name reflects its ambition — an agenda for the 21st century.

UNFCCC

The UN Framework Convention on Climate Change was opened for signature at Rio. It entered into force in March 1994. The UNFCCC is a framework treaty — it established the architecture and principles of climate negotiation but did not set binding emission targets. Binding obligations came later through protocols and agreements (Kyoto, Paris).

Convention on Biological Diversity (CBD)

Also opened for signature at Rio on 5 June 1992, entering into force on 29 December 1993. The CBD has three objectives:

  1. Conservation of biological diversity
  2. Sustainable use of its components
  3. Fair and equitable sharing of benefits from genetic resources

India is one of the 17 megadiverse countries — home to about 7–8% of all recorded species — and is a party to the CBD.


The CBDR Principle: Heart of Climate Justice

Common But Differentiated Responsibilities and Respective Capabilities (CBDR-RC) is the foundational principle of international climate law. It means:

  • Common responsibility: Climate change is a shared problem; all nations have some responsibility to address it
  • Differentiated responsibilities: The degree of responsibility varies with historical contribution to the problem and current capability to solve it
  • Respective capabilities: Richer nations must do more because they have more resources

The rationale: Developed countries industrialised over 150 years and their accumulated emissions are responsible for most of the current stock of greenhouse gases in the atmosphere. Developing countries like India and China are only now industrialising to lift their populations out of poverty.

India's per capita CO₂ emissions (~1.9 tonnes/year) are a fraction of the USA (~15 tonnes/year) or Australia (~14 tonnes/year). The total cumulative stock of CO₂ in the atmosphere is dominated by historical emissions from Europe and North America. Climate justice demands that those who caused the problem lead on fixing it.

🎯 UPSC Connect: CBDR in India's Climate Diplomacy

The CBDR principle is the cornerstone of India's negotiating position in all climate talks. India consistently argues that:

  1. Developed nations must provide climate finance and technology to developing nations
  2. Developing nations' right to economic development must not be curtailed by climate obligations designed primarily to protect the lifestyles of the already-developed world
  3. The 1.5°C target, while desirable, must not be achieved by blocking coal-dependent developing economies without providing clean alternatives

India's updated NDC 3.0 (March 2026) — targeting 47% emissions intensity cut and 60% non-fossil power by 2035 — is consistently framed as going "beyond" what CBDR strictly requires, demonstrating climate leadership while maintaining negotiating leverage.


Kyoto Protocol (1997): The First Binding Agreement

The Kyoto Protocol was adopted at the third Conference of Parties to the UNFCCC in Kyoto, Japan, in December 1997, and entered into force on 16 February 2005.

Key Features

Binding Targets for Annex I Countries: 37 industrialised countries and economies in transition (the EU counted as one) committed to reduce aggregate greenhouse gas emissions by an average of 5% from 1990 levels over the first commitment period (2008–2012).

Flexibility Mechanisms:

  • Joint Implementation (JI): Annex I countries could earn emission reduction credits by investing in projects in other Annex I countries
  • Emissions Trading (ET): Annex I countries could trade emission permits among themselves
  • Clean Development Mechanism (CDM): The most significant for India — Annex I countries could fund emission-reduction projects in developing countries and earn Certified Emission Reduction (CER) credits. India became a major CDM host country — the largest after China.

Developing Countries' Exemption: India, China, Brazil, and over 100 developing nations were exempt from binding obligations under the Kyoto Protocol — a direct application of the CBDR principle. The USA, which signed but never ratified, eventually withdrew in 2001, citing this exemption as unfair.

📌 Key Fact: US Rejection of Kyoto

The United States Senate voted 95-0 in the Byrd-Hagel Resolution (1997) to reject any climate treaty that did not require developing nations to take binding actions alongside developed ones. President Clinton signed the Kyoto Protocol but never submitted it to the Senate for ratification. President Bush formally withdrew the US from the Protocol in 2001. This left the Kyoto Protocol weakened — the world's largest emitter at the time was absent. The US absence foreshadowed the shift toward the voluntary NDC architecture of the Paris Agreement.


Paris Agreement (2015): A New Architecture

The failures and limitations of Kyoto — US non-ratification, no binding obligations for rapidly growing emitters like China and India, and the treaty's expiry — necessitated a new approach. After years of negotiations following the Kyoto Protocol's expiry (the second commitment period ran 2013–2020), countries agreed on a fundamentally different architecture at COP21 in Paris on 12 December 2015.

Key Innovations of the Paris Agreement

Nationally Determined Contributions (NDCs): Instead of top-down binding targets assigned by negotiators, each country determines its own climate actions and submits them as NDCs. This bottom-up approach ensures universal participation — 195 parties have joined, compared to Kyoto's shrinking club of obligated states.

Ratchet Mechanism: NDCs must be submitted every five years, with each successive NDC being more ambitious than the last. This "ratchet" is meant to progressively close the gap between current pledges and the actions needed to meet temperature goals.

Temperature Goal: Limit warming to well below 2°C above pre-industrial levels and pursue efforts to limit it to 1.5°C — a goal championed by Small Island Developing States (SIDS) facing existential sea-level rise.

Climate Finance: Developed nations committed to jointly mobilise USD 100 billion per year by 2020 for developing nations. This target was repeatedly missed and renegotiated — a major point of friction with the Global South.

Global Stocktake: Every five years, countries collectively assess progress toward the Agreement's goals. The first Global Stocktake at COP28 (Dubai, 2023) found that current NDCs were insufficient to meet the 1.5°C goal.

Loss and Damage: A 30-Year Victory

For over three decades, Small Island States and the most climate-vulnerable developing nations demanded that developed countries compensate them for climate impacts they had not caused — "Loss and Damage" for climate-induced disasters, sea-level rise, and the permanent loss of habitats.

At COP27 (Sharm el-Sheikh, November 2022), countries reached a historic breakthrough — agreeing to establish a Loss and Damage Fund to provide financial support to the most vulnerable nations. Initial pledges reached approximately USD 700 million. The operationalisation of this fund — who contributes, who is eligible, how much — continues to be negotiated.


Biodiversity: The CBD Family of Treaties

Convention on Biological Diversity (CBD)

Opened at Rio 1992, in force 1993. Three objectives:

  1. Conservation of biodiversity
  2. Sustainable use of components of biodiversity
  3. Fair and equitable sharing of benefits from genetic resources (Access and Benefit Sharing — ABS)

Cartagena Protocol on Biosafety (2000/2003)

Adopted in January 2000, in force September 2003. Governs the transboundary movement, handling, and use of Living Modified Organisms (LMOs) — essentially GMOs. It applies the precautionary principle — allowing countries to restrict LMO imports even without conclusive scientific evidence of harm. India is a party.

Nagoya Protocol on ABS (2010/2014)

Adopted at the 10th CBD Conference of Parties in Nagoya, Japan, in October 2010. In force 12 October 2014. It operationalises the CBD's third objective — ensuring countries and local communities that provide genetic resources receive a fair share of the benefits derived from their use (by pharmaceutical companies, biotech firms, etc.). India is a party.

🔗 Beyond the Book: Kunming-Montreal Global Biodiversity Framework (2022)

At COP15 of the CBD (Montreal, December 2022), 196 nations adopted the Kunming-Montreal Global Biodiversity Framework — sometimes called the "Paris Agreement for biodiversity." Its headline target: "30x30" — protect at least 30% of Earth's lands and waters by 2030. India's biodiversity — 7–8% of all recorded species on 2.4% of global land area — makes this framework directly relevant to India's conservation targets. UPSC has increasingly tested awareness of post-2020 biodiversity frameworks.


India's Position on Climate and Environment

India's environmental diplomacy is a careful balance between:

1. Climate Justice and CBDR: India consistently argues that developed nations bear primary responsibility for climate change. With per capita emissions of about 1.9 tonnes of CO₂ (far below the global average of ~4.7 tonnes), India frames its growth as a matter of justice.

2. Domestic Action Beyond Obligations: Despite this principled stance, India has taken significant domestic climate action. India's solar energy capacity has grown from under 1 GW in 2010 to over 90 GW by early 2026. India's International Solar Alliance (ISA), launched at COP21 in 2015, now has 120+ member countries.

3. NDC Trajectory:

  • NDC 1.0 (2015): 33–35% emissions intensity reduction by 2030 from 2005 levels; 40% non-fossil capacity by 2030
  • NDC 2.0 (2022): Updated to 45% emissions intensity reduction; 50% non-fossil capacity by 2030
  • NDC 3.0 (March 2026, Cabinet-approved March 25, 2026): 47% emissions intensity cut by 2035 from 2005 levels; 60% non-fossil power capacity by 2035; carbon sink of 3.5–4.0 billion tonnes CO₂-equivalent through forests and tree cover

4. Climate Finance Demands: India consistently demands that the USD 100 billion climate finance pledge be met and that finance come primarily as grants, not loans. India also advocates for reform of multilateral development banks to make climate finance more accessible to developing countries.

5. Net Zero 2070: At COP26 (Glasgow, November 2021), PM Modi announced India's target to achieve net-zero emissions by 2070 — later than the 2050 target of most developed nations, but citing India's development needs.

📌 Key Fact: India's Solar Achievement

India has already surpassed its NDC 2.0 non-fossil capacity target ahead of 2030. As of February 2026, non-fossil fuel-based sources account for 52.57% of India's installed electricity capacity — exceeding the 50% target. The International Solar Alliance, headquartered in Gurugram, India, serves as a platform for solar cooperation among tropical and developing nations.


PART 3 — Frameworks & Mnemonics

Mnemonic: Rio 1992 Outcomes — "R A U C F"

Rio Declaration (27 principles) → Agenda 21 (action plan) → UNFCCC (climate framework) → CBD (biodiversity) → Forest Principles

Memory aid: "Really Ambitious UN Climate and Forest"


CBDR in One Sentence

"Those who created the most pollution must bear the most responsibility for cleaning it up — while those who are still developing must be allowed to grow before they can be expected to cut."


The Climate Negotiations Ladder

1972 — Stockholm (UNCHE): First recognition of global environmental crisis
   ↓
1987 — Brundtland: Sustainable Development defined
   ↓
1992 — Rio: UNFCCC framework + CBD opened; CBDR established
   ↓
1997 — Kyoto: First binding targets (Annex I only)
   ↓
2009 — Copenhagen (COP15): Failed — no legally binding successor to Kyoto
   ↓
2015 — Paris: NDC architecture; 1.5°C goal; universal participation
   ↓
2022 — COP27: Loss and Damage Fund established
   ↓
2023 — COP28: First Global Stocktake; transition from fossil fuels
   ↓
2026 — India NDC 3.0: 47% intensity cut; 60% non-fossil by 2035

Kyoto vs Paris: The Essential Difference

Feature Kyoto Protocol Paris Agreement
Approach Top-down — negotiators set targets Bottom-up — countries set own targets (NDCs)
Who is obligated Only Annex I (developed) countries All parties — universal
Targets Legally binding reductions NDCs not legally binding in content; process is binding
US participation Never ratified Joined; withdrew under Trump 2017; rejoined under Biden 2021
China and India Exempt Submit NDCs voluntarily
Result USA absent; limited global coverage Universal — 195 parties

Exam Strategy

For Prelims: Master treaty dates and key facts — UNFCCC (1994), Kyoto Protocol (in force 2005), Paris Agreement (in force 2016), CWC (in force 1997), CBD (in force 1993), Nagoya Protocol (in force 2014). Know the CBDR principle and what "Annex I" means. India's NDC numbers are tested frequently.

For Mains GS2 (International Organisations):

  • Compare Kyoto Protocol and Paris Agreement architectures
  • Discuss India's position in global climate negotiations
  • Analyse the North-South divide in climate politics using CBDR
  • Loss and Damage Fund: significance and India's role

For Mains GS3 (Environment, Conservation):

  • CBD and its protocols: significance for India as a megadiverse country
  • India's renewable energy achievements vs climate obligations
  • International Solar Alliance as India's climate leadership
  • Global Stocktake findings and the "ambition gap"

Introduction template: "The environment has become one of the most contested arenas of international politics — not because nations disagree about whether climate change is real, but because they disagree profoundly about who should bear the cost of addressing it. The principle of Common But Differentiated Responsibilities, enshrined in the Rio Declaration of 1992, remains the lodestar of India's environmental diplomacy — connecting historical justice with present-day climate action."


Previous Year Questions (PYQs)

Prelims

1. Which of the following is the correct sequence of international environmental agreements in chronological order of adoption?

(a) Kyoto Protocol → Rio Declaration → Paris Agreement → CBD (b) Stockholm Declaration → UNFCCC → Kyoto Protocol → Paris Agreement (c) CBD → Kyoto Protocol → UNFCCC → Paris Agreement (d) UNFCCC → Kyoto Protocol → CBD → Paris Agreement

Correct answer: (b) — Stockholm 1972 → UNFCCC 1992 → Kyoto 1997 → Paris 2015.


2. The "Clean Development Mechanism (CDM)" under the Kyoto Protocol primarily allowed:

(a) Developed countries to purchase emission credits from developing countries for their clean energy projects (b) Developing countries to impose carbon taxes on developed nations (c) The UNFCCC Secretariat to directly fund renewable energy projects in least developed countries (d) Annex I countries to avoid any emission reduction targets by paying a fee

Correct answer: (a) — CDM allowed Annex I (developed) countries to fund clean energy projects in developing countries and earn Certified Emission Reduction credits against their targets.


3. India's Cabinet-approved NDC 3.0 (March 2026) sets which of the following targets for the year 2035?

(a) 40% emissions intensity cut; 50% non-fossil capacity (b) 45% emissions intensity cut; 50% non-fossil capacity (c) 47% emissions intensity cut; 60% non-fossil capacity (d) 50% emissions intensity cut; 70% non-fossil capacity

Correct answer: (c) — NDC 3.0 targets 47% emissions intensity reduction from 2005 levels by 2035 and 60% non-fossil power capacity by 2035.


Mains

Q1. "The North-South divide in climate politics is not merely about emissions but about justice, development rights, and historical responsibility." Critically examine this statement with reference to the principle of Common But Differentiated Responsibilities (CBDR). (GS Paper 2, 250 words)

Approach: Explain CBDR (Rio 1992 origin, what it means) → Historical emissions data (North responsible for ~80% of cumulative stock) → Per capita disparity (USA 15t vs India ~2t CO₂/year) → Development rights argument → Financing obligations (USD 100 billion) → Loss and Damage (COP27 breakthrough) → India's position: CBDR must be maintained; NDC 3.0 shows ambition → Conclude: CBDR is both a legal principle and a moral imperative.


Q2. Discuss the evolution of India's climate commitments from the 2015 Paris Agreement to the 2026 NDC 3.0. What does this trajectory reveal about India's approach to balancing development and climate action? (GS Paper 3, 250 words)

Approach: NDC 1.0 (2015) → NDC 2.0 (2022 update) → NDC 3.0 (March 2026) → Early achievement of 50% non-fossil capacity → ISA as climate leadership → net-zero 2070 goal → Tension with coal dependence (India's energy poverty context) → Climate finance demands → Conclude: India's trajectory demonstrates that it is possible to be a responsible climate actor while asserting development rights.