Why has the rate of global warming been slower than expected over parts of the Northern hemisphere?
A) Steps were taken to reduce greenhouse gas emissions
B) Deforestation has been reduced
C) The size of the ozone "hole" has increased
D) Air pollution is centered over developed nations

Question

Quizplus · Accepted Answer

Air pollution, particularly aerosols, can reflect sunlight and cool the atmosphere, which can temporarily offset some warming effects in certain regions.

Why Has the Rate of Global Warming Been Slower Than