refrigerators, and air conditioners until theMontreal Protocol, effective in January 1989, banned their use due to their ozone-depleting properties. CFCs were replaced by hydrofluorocarbons (HFCs), which, while not ozone-depleting, are potent greenhouse gases. ...
What are the main causes of greenhouse effect? Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence ofwater vapour, carbon dioxide, methane, and certain other gases in the air. Of those gases, known as greenhouse gases,...
Humans could accelerate this process by creating factories that convert elements on Mars into greenhouse gases. CO2 would work, but scientists have other, specially-designed gases in mind too that are far more potent at trapping in sun energy—like methane or chlorofluorocarbons (CFCs).8 3) Pla...