Globalwarming英文PPT課件

1、1global warming team : beyond 2hot! global warming is becoming a serious problem, it will cause some harmful effects. over the last century, the planets temperature has risen by around 23 degree fahrenheit. 3 what terrible it is! dont let planets be stove in the future, give our descendants a comfor

2、table planets.4contents5 with the development of economy, more and more greenhouse gases are being discharged into the air. co2 makes up about 70% of the greenhouse gases, which is considered to be one of the greatest causes of global warming.6 increasing in vehicle and other mechanical also increas

3、ed the emissions of greenhouse gases , and so on.7help1.one of the effects of global warming is the destruction of many important ecosystems. changing and erratic climate conditions will put our ecosystems to the test, the increase in carbon dioxide will increase the problem.82.drought is an effect

4、of global warming that we are already seeing right now. many countries are finding that they are currently receiving more storms and rising waters, while other countries are suffering from drought.9 do you want our planet to be this ice cream? i think everyones answer is no! so what we can do?10 fir

5、stly, plant a tree. this could be easier than it sounds. join or help out a local wildlife group and ask to plant a tree.11 something as simple as walking instead of taking the car will help reduce pollution. as well as stopping pollution, you are giving yourself exercise, something important for ou

6、r bodies. 12 finally turning off unused sources of power such as televisions and heaters will help the environment, as well as save your money.13 if everybody stuck to these rules, we would be doing a great thing by protecting the earth. so please take into consideration what we have said, and try to do yo