- Global warming,it lead to unstable weather etc.
- Except endangered orangutans,so many kinds of animal face the same problem,such as whales and polar bears.
- air pollution,power plant ,cars etc. will release so much greenhouse gases and pollutant,it make air foul.
時間關係,寫得咁多.另外,你對呢方面既知識好似好少,作為地球人,係唔可以唔知同坐視不理環境問題的!謝謝.