what is global warming?

Global Warming is the increase in temperature of the Earth's atmosphere and oceans.If global warming will continue there will be an increase temperature on the earth's surface producing greenhouse effect. Also an increase in global temperature may cause other changes including rising sea levels.These changes also may cause flood,drought,heatwaves,hurricanes and tornadoes.

Global warming is the latest phenomenon. our planet is starting to heat year by year because of the polution. i believe you see all the news where the weather is not how it used to be years ago. for example in my country used to snow a lot during february. yesterday outside temperature was 19 Celsius degrees. i could wear a T-Shirt :) now this is global warming my friend :)

Global warming is the observed increase in the average temperature of the Earth's atmosphere and oceans in recent decades, and its projected continuation. You can read all about global warming at the following source link: http://en.wikipedia.org/wiki/Global_warming If you want to learn about ways you can help, along with other environmental issues check out this link: http://www.earthshare.org/ I personally am concerned about global warming and am happy to see others taking an interest. Cheers!