- Feb 27, 2010
Average September Sea Ice Extent is dropping by ~13% per decade. It has reduced by ~40% since 1990 so by 2050, only half of what is now there in September will be gone.The graph shows the actual amount of ice coverage in square kilometres, and shows the actual ice coverage is in decline
Vital Signs of the Planet: Global Climate Change and Global Warming. Current news and data streams about global warming and climate change from NASA.