The main four greenhouse gases (or GHG) are: carbon dioxide (released in the atmosphere through burning of fossil fuels like oil and coal as well as solid waste and deforestation), methane (emitted in the production of natural gases as well as livestock and agricultural practices), nitrous oxide (emitted during agricultural and industrial activities) and fluorinated gases (produced through industrial processes and commercial and household uses).
According to the United States Environmental Protection Agency (EPA), as humans increase their GHG emissions, the gases build up in the atmosphere and warm the climate,