Bioremediation

noun (uncountable)

/ˌbaɪ.əʊ.rɪˌmiː.diˈeɪ.ʃən/

The use of living organisms — primarily bacteria, fungi, algae, or plants — to degrade, neutralise, or remove pollutants from contaminated soil, water, or air. Bioremediation is classified as in-situ (treating contamination at its source, e.g., bioventing) or ex-situ (excavating material for treatment elsewhere). In Indian environmental governance, it is mandated for legacy waste sites under the Solid Waste Management Rules, 2016, and deployed along the Ganga under the Namami Gange programme to tackle industrial effluents.

✍️ Usage in a UPSC answer

The National Green Tribunal directed the deployment of bioremediation technology at the Bandhwari landfill in Haryana, leveraging microbial consortia to break down legacy municipal solid waste.

Synonyms

biodegradationmicrobial remediationbiological treatmentbiorestorationphytoremediation

Antonyms

pollutioncontaminationchemical remediation (contrastnot strict antonym)

🌱 Word Family

bioremediate (verb), bioremediator (noun), phytoremediation (noun), mycoremediation (noun), remediation (noun)

🔡 Root

Greek bios = life; Latin re- = again; Latin mederi = to heal; -ation = process

📜 Etymology

Coined in the early 1980s in American environmental science literature as industrial pollution intensified post-Clean Water Act debates. The word compounds the Greek bio- (life) with the Latin-derived remediation (act of remedying), which itself entered English legal and environmental use in the 1960s.

🧠 Memory Hook

BIO (life) + REMEDIATION (healing). Micro-organisms are tiny doctors (mederi = to heal) that 'cure' poisoned soil. Just as a doctor remedies a sick patient, bacteria remediate a sick ecosystem.

🌿 Environment & Ecology 📖 Seen in: Ecology Fundamentals — Ecosystems, Foo... 📋 Also in Key Terms

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