Each color relates to a range of numbers associated with air quality on a scale designated by the Environmental Protection ...

Dozen rivers subject to 'hoot owl' restrictions on afternoon fishing or all-out closures as biologists grapple with warming rivers and meager streamflows ...

Rangelands are the most widespread and most imperiled ecosystems on the planet, according to McNew. North America has ...

President announces all-of-government effort to protect ecosystems, boost recreation access on public lands while stripping ...

New bills establish dedicated funding for infrastructure to reduce wildlife-vehicle collisions and reconnect fragmented ...

As president rolls out new conservation policies, a recent study suggests surcharges on international tourists to Yellowstone ...

In his new documentary, "Real Yellowstone," director Tom Opre considers the interlocking challenges of raising crops and ...

In the parched summer of 1988, wildfires ripped through more than one-third of Yellowstone National Park during the most severe fire year in park history. Approximately 1.2 million acres scorched by ...

Conservation groups in federal district court last week alleged the U.S. Fish and Wildlife Service violated the Endangered Species Act by inadequately considering challenges faced by gray wolves.

Conservation groups in federal district court last week alleged the U.S. Fish and Wildlife Service violated the Endangered Species Act by inadequately considering challenges faced by gray wolves.