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.

Thunderstorm asthma—counting pollen to save lives

As Melbourne slowly moves from winter into spring, most locals look forward to putting away their winter coats and spending more time outdoors, enjoying the longer, warmer days.

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