Mains Syllabus: GS III - Environmental pollution and degradation;
According to a new study published in Nature, India is the biggest plastic polluter in the world, releasing 9.3 million tonnes (Mt) annually.
| Environmental Principles Developed by Judiciary | ||
| Principle | Case | About | 
| Precautionary Principle | Vellore Citizens Welfare Forum v. Union of India | It states that lack of scientific certainty should not be used as a reason to postpone measures to prevent environmental degradation where there are threats of serious or irreversible damage. | 
| Absolute Liability | M.C. Mehta v. Union of India - Oleum Gas Leak Case | The entity undertaking hazardous or inherently dangerous activities is liable for any damage caused, irrespective of whether they took reasonable care | 
| Polluter Pays Principle | Indian Council for Enviro-Legal Action v. Union of India | It holds that the financial cost of preventing or remedying environmental damage should lie with the entity causing the pollution | 
| Public Trust Doctrine | M.C. Mehta v. Kamal Nath | It asserts that the State is a trustee of natural resources like air, water, and forests, and these resources should be available for public use and not be subject to private ownership or exploitation |