The Harmful Effects of Greenhouse Gases on Planet Earth There are gases in the atmosphere called greenhouse gases that absorb and trap heat. Some of these gases are emitted naturally—for example, methane from wetlands and nitrous oxide from agricultural soil. The primary source of GHGs, however, is human activity, including...
Where Do Carbon Emissions Come From? Global climate change is upon us, whether you choose to accept that or not. And carbon emissions are a big part of the climate change conversation. After all, humans emit carbon when they breathe, drive cars, fly in planes, and burn fossil fuels like...
How Do Those Greenhouse Gases Cause Global Warming? How do greenhouse gases cause global warming? It’s a common question, with a complex answer. Greenhouse gases trap heat in our atmosphere by absorbing it. Without these gases, most of the sun’s heat would be reflected back into space and life on...