Because we cut down the forests and started burning fossil fuels (coal, oil and natural gas).
No. Global warming is caused by man burning fossil fuels and cutting down forests. No other animal does that. If there were no humans on earth, there would be no global warming.
global warming!!!!!!
There is no such thing as "a global warming" global warming only happens to earth because human and our unruly decrease in the earths resources. HUMANS cause global warming.
The meaning of global warming in Filipino is "pandaigdigang pag-init."
Global warming is not natural, it is caused by people. Since there aren't people on Neptune, it cannot have global warming.
No, chlorine has no effect on Global Warming.
The name says it "GLOBAL" warming.
Global is an adjective and warming is a noun.
Global warming and the humans abandoned it because of global warming. Global warming
There are thousands of slogans that are available for stopping global warming. Some of these slogans include "Global Warming: We have a solution, stop pollution" and "Penguins are on Thin Ice: Stop Global Warming".
Global Warming, that is the warming of the earth since the beginning of the Industrial Age, began when man discovered fossil fuels some 250 years ago. There were commercial coal mines in the US state of Virginia in 1740.
Ozone depletion causes global warming. This then causes global temperature to change.