Understanding Rare Earth Elements Rare earth elements, or REEs, are a group of 17 metals crucial for many modern technologies ...

Earth is absorbing more sunlight and trapping more heat than it releases into space, causing our planet to warm up at an increasing rate. New research shows that cloudy areas over oceans are ...

While this method could help to cool the planet (somewhat ironically, since aerosol air pollution ... cooling effect via global dimming and increased albedo — the degree to which Earth reflects ...