Concept of Greenhouse gases was postulated by whom?
United Nations Convention on climate change signed by more than 50 countries became effective in which year?
Greenhouse effect is mostly caused by what?
Climate Change is mainly caused by which of following?
- Greenhouse Gases
- Depletion of Ozone Layer
- All of above
Ozone layer restrictions which of following to reach surface of the Earth?
- Visible Light
- Infrared Radiation
- X-Rays and Gamma Rays
- Ultraviolet Radiation
Concept of Carbon Credit originated from which one of the following?
- Kyoto Protocol
- Earth Summit
- Doha Round
- Montreal Protocol
Earth Summit was held in which city?