Important Topics on Environment for UPPCS Prelims:

1. Environmental Policies and Acts:
- Questions related to important environmental policies and acts like the Environment Protection Act, Wildlife Protection Act, Forest Conservation Act, etc. are frequently asked in UPPCS prelims.

2. Biodiversity and Conservation:
- Understanding of biodiversity, its importance, threats, and conservation measures is crucial for UPPCS prelims. Questions related to biodiversity hotspots, endangered species, and conservation programs are common.

3. Climate Change and Global Warming:
- Topics like climate change, global warming, greenhouse gases, and their impact on the environment are frequently tested in UPPCS prelims. Candidates should be familiar with the causes and effects of climate change.

4. Environmental Pollution:
- Questions on different types of pollution such as air pollution, water pollution, soil pollution, noise pollution, and their effects on human health and the environment are commonly asked in UPPCS prelims.

5. Renewable Energy Sources:
- Candidates should have a basic understanding of renewable energy sources like solar energy, wind energy, hydropower, and their significance in sustainable development. Questions related to government schemes promoting renewable energy may also be asked.

6. Sustainable Development:
- Understanding the concept of sustainable development, its principles, and the need for balancing economic growth with environmental protection is important for UPPCS prelims. Questions on sustainable development goals and indicators may also be included.

7. Environmental Impact Assessment (EIA):
- Knowledge of EIA process, its significance in decision-making for development projects, and its role in mitigating environmental impacts is essential for UPPCS prelims. Questions on the importance of EIA in sustainable development may be asked.