Rapidly declining Arctic sea ice spells trouble for #polarbears. Scientists have documented a 40% loss in summer sea ice extent since 1979. Polar bears rely on sea ice to survive, but they aren’t alone. Sea ice is as important to the Arctic ecosystem as soil is to a forest. Reducing CO2 emissions is the only way to rewrite the future and protect polar bears. Be a hero for wildlife & click the link in our bio to see how you can protect the Arctic ecosystem. #ArcticSeaIceDay #EndExtinction @polarbearsinternational