the warming is extremely rapid on the geologic time scale, and no other factor can explain it as well as human emissions of greenhouse gases.
the warming is extremely rapid on the geologic time scale, and no other factor can explain it as well as human emissions of greenhouse gases.
global warming:59
human activity since the industrial revolution has increased the amount of greenhouse gases in the atmosphere, leading to increased radiative forcing from co2, methane, tropospheric ozone, cfcs, and nitrous oxide.