about 120,000 years ago, before the last ice age, the planet went through a natural warm period, with temperatures similar to those expected in coming decades.
about 120,000 years ago, before the last ice age, the planet went through a natural warm period, with temperatures similar to those expected in coming decades.
ice age:0
an ice age is a long period of reduction in the temperature of the earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.