Learn about the atmosphere, its five distinct layers, and why this gaseous shield is essential for life. Explore facts about Earth’s air and its composition. The planet Earth is covered by a huge ...

Forbes contributors publish independent expert analyses and insights. I cover global and domestic health care and conservation. I've spent much of my life thinking about how to help people reach their ...

Professor Eloise Marais from the University College London talks about her research on pollution from satellites and its impact on earth's climate.