GEOLOGY

Detailed explanation-1: -Many greenhouse-gas-emitting activities are now essential to the global economy and a fundamental part of modern life. Carbon dioxide from the burning of fossil fuels is the largest single source of greenhouse gas emissions from human activities.

Detailed explanation-2: -When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air.

Detailed explanation-3: -Coal generates the most CO2 emissions of any fossil fuel and yet remains the world’s dominant energy source.

Detailed explanation-4: -87 percent of all human-produced carbon dioxide emissions come from the burning of fossil fuels like coal, natural gas and oil. The largest human source of carbon dioxide emissions is from the combustion of fossil fuels. More items