The hole in the ozone layer above Antarctica is one of the largest and deepest in the last 15 years, according to the World Meteorological Organization (WMO).
The formation of Arctic sea ice has been lagging behind normal since its minimal expansion, and many areas are still ice-free.
Polar bears have begun to invade colonies of walruses, which no longer show fear when polar bears are near them.
Antarctica’s melting ice sheets could lead to more pack ice, but also to faster sea level rise.
The Arctic Ice Project aims to prevent sea ice in the Arctic from melting by using silica pellets that reflect sunlight.
The effects of climate change, which residents of Arctic communities are already experiencing, will be captured by young people in a documentary.