The haze that blurs a blue sky or a beautiful skyline is caused by tiny particles called PM2.5. PM2.5 describes particulate matter, often made from pollution, less than 2.5 microns wide. Despite their microscopic size, PM2.5 are responsible for more than 4... Continue Reading →
A new study, published in the journal Nature Climate Change, supports predictions that the Arctic could be free of sea ice by 2035. High temperatures in the Arctic during the last interglacial -- the warm period around 127,000 years ago --... Continue Reading →