Global Warming
What is Global Warming? use your own words.
A gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxi
What's the green house effect? Explain it with your own words
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be witho
What does this symbol mean?
The popular and well-known concept of "3R" refers to reduce, reuse and recycle