New report shows perils of air pollution persist nationwide

The American Lung Association's latest State of the Air report concludes that even though Americans have changed their ways significantly over the last 50-plus years, the struggle to provide cleaner air is far from being ...

Mexico heat waves leave 48 dead since March

Mexico has registered 48 deaths in a series of heat waves since March, the government said Friday, as scientists warned that new temperature records could be coming.

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