Related topics: upper atmosphere

Particles from paints, pesticides can have deadly impact

Hundreds of thousands of people around the world die too soon every year because of exposure to air pollution caused by our daily use of chemical products and fuels, including paints, pesticides, charcoal and gases from vehicle ...

Improving the global budget for atmospheric methanol

New aircraft survey data show that although atmospheric chemistry above remote ocean regions is a considerable source of methanol production, the ocean's net methanol emission is minor.

Electrically charged dust storms drive Martian chlorine cycle

How's the weather on Mars? Tough on rovers, but very good for generating and moving highly reactive chlorine compounds. New research from Washington University in St. Louis planetary scientists shows that Martian dust storms, ...

Ocean changes almost starved life of oxygen

Chemical changes in the oceans more than 800 million years ago almost destroyed the oxygen-rich atmosphere that paved the way for complex life on Earth, new research suggests.

Researchers advancing understanding of vital enzyme

Nitrogenases, the enzymes responsible for converting atmospheric nitrogen into the nitrogen-based compounds used by living things, have been a major focus of chemistry research for decades because of the pivotal role that ...

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