In Short

GHG (greenhouse gases) are gases that trap infrared (radiated heat) in the atmosphere. They are gases such as water vapor, carbon dioxide (CO2), methane (CH4), and a few other gases.

A Few Details

Since the Industrial Revolution in the 19th century, a man-made increase of carbon dioxide and methane emissions is the main culprit for overheating the planet, with the so-called “global warming” or “climate change” phenomenon.

More Info