It stuns me that some people believe global warming isn't real. There's plenty of evidence that suggests it is real and people are too ignorant to realize how serious the affects of the pollution that we make threatens the world.
http://www.nationalgeographic.com/climate-change/special-issue/
http://climate.nasa.gov/evidence/
http://www.nationalgeographic.com/climate-change/special-issue/
http://climate.nasa.gov/evidence/