Human factors increasing global warming Burning fossil fuels, eg coal, gas and oil - these release carbon dioxide into the atmosphere. Deforestation - trees absorb carbon dioxide during photosynthesis. If they are cut down, there will be higher amounts of carbon dioxide in the atmosphere.

What is Earth & Environmental Science? Environmental Science provides an overview of how science affects our environment. We focus on interactions between the solid Earth, its water, its air and its living organisms, and on dynamic, interdependent relationships between these four components.