What affects global warming?
A lot affects global warming, mostly the greenhouse gases carbon dioxide (CO2), methane (CH4), and others gases. CH4 is caused by cattle and melting tundra, while CO2 is caused by burning anything, such as running cars and factories that burning fossil fuels. All those gases trap the sun's heat in the atmosphere to heat up the air up to melt polar ice, destroy animal homes, and increase the sea level so there's more flooding.
Destroying forests is another cause.