Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence of water vapour, carbon dioxide, methane, and certain other gases in the air Of those gases, known as greenhouse gases, water vapour has the largest effect The origins of the term greenhouse effect are unclear French mathematician JosephOn Earth, the major greenhouse gases are water vapor, which causes about 36–70 percent of the greenhouse effect (not including clouds);Carbon dioxide (CO 2), which causes 9–26 percent;
Greenhouse Effect Its Causes And Effect List Of Greenhouse Gases