US keeps air pollution standard established under Obama

U.S. environmental regulators on Tuesday announced they are leaving intact an air quality standard for power plant pollution that can worsen asthma in children, despite calls by health advocates for a tougher standard.

African dust clouds worry Caribbean scientists

Each summer, microscopic dust particles kicked up by African sandstorms blow thousands of miles (kilometers) across the Atlantic to arrive in the Caribbean, limiting airplane pilots' visibility to just a few miles and contributing ...

Pollen: You can run, but you can't hide

(Phys.org) —It's the yellowish coating on cars. It floats on ponds, blows with the spring breeze and serves as a potent irritant to allergy sufferers. Now a NASA team is targeting pollen—and its work could help alleviate ...

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