US officials seek limits on "habitat" for imperiled species

The Trump administration is moving to restrict what land and water areas can be declared as "habitat" for imperiled plants and animals—potentially excluding locations that species could use in the future as climate change ...

Trump EPA orders rollback of Obama mercury regulations (Update)

The Trump administration has targeted an Obama-era regulation credited with helping dramatically reduce toxic mercury pollution from coal-fired power plants, saying the benefits to human health and the environment may not ...

US air controllers still challenged for sleep

(AP)—U.S. air traffic controllers are still working schedules that make it likely they will get little or no sleep before overnight shifts, more than three years after a series of incidents involving controllers sleeping ...

Global warming: Heat stress hits labour productivity

Heat stress from global warming may be having an impact on outdoor work productivity in hot regions like northern Australia, Southeast Asia and the southern United States, a study said Sunday.

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