1. | is an international treaty designed to protect the ozone layer signed in 1987, and entered into force in 1989. |
2. | is an international treaty designed to control global warming signed in 1991, and entered into force in 1993. |
3. | is an international treaty designed to protect the ecological hotspots of biodiversity signed in 1987, and entered into force in 1989. |
4. | is an international treaty designed to protect wetlands signed in 1985, and entered into force in 1987. |
1. | concept of organic farming |
2. | contribution for developing ways of disposing radioactive wastes |
3. | discovery of the process of incineration |
4. | innovation that can be a remedy for plastic wastes |
1. | Mercury and DDT undergo biomagnifications in the terrestrial food chain. |
2. | Nitrates and phosphates can cause rapid enrichment of nutrients in a lake. |
3. | Recycling is the only solution for the treatment of E-waste. |
4. | Without greenhouse effect the average temperature at surface of earth would have been minus 180C |
I: | Air [Prevention and Control of Pollution] Act |
II: | Environment [Protection] Act |
III: | Water [Prevention and Control of Pollution] Act |