One of the main reasons that global warming is accruing is because of pollution. Pollution is all the trash we dump into the oceans and rivers. It is the exhaust that our cars give out. That is where the carbon dioxide is mostly coming from. Pollution is a serious problem that has been accruing for many years. Pollution can affect plants, animals, the water system, and even humans. To learn about all the ways you can help cheek out the ways to help page.