Is global warming caused by "man"?

Yes, for the most part global warming is caused by man. Scientists have evidence such as pollution and man-made green house gases have started tearing away the atmosphere. Natural green house gases have less water vapor and harmful effects on the environment.

One natural cause of global warming is the emission of methane from the artic tundra and wetlands.

GLOBAL WARMING

Five causes of global warming- deforestation, power plants, cars, over-sized population, and carbon dioxide from various things such as airplanes or buildings.

Five things you can do to prevent global warming are take a shower not a bath, cover your pots while cooking, recycle organic waste, keep your car tuned up, and consider the impact of your investments.