Researchers at the National University of Singapore have created a way to convert plastic bottle waste into an ultralight aerogel material that has multiple potential applications.
Climate change is posing a major threat to polar bear survival. The polar bear, whose native range lies largely within the Arctic Circle, depends on sea ice for nearly all of its life cycle functions. And rising temperatures are causing that sea ice to disappear.
The North American Bird Conservation Initiative recently released its annual “State of the Birds’ report, which is a comprehensive analysis of North American birds. And as with many other things these days, we’re not doing well.