A relatively small number of rapidly spreading wildfire events burn disproportionately large areas. But beyond area burned, do fast fires produce distinct postfire ecological outcomes? Here, we measur...

Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

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Climate change increases drought frequencies and intensities, posing risks to biodiversity. Species inhabiting arid regions may be vulnerable to drought because they live near their physiological lim...

For the past few decades, northern and California spotted owls (SPOW) have declined across much of their range in response to habitat loss and fragmentation and have faced threats associated with the...

Restoration of dry forest landscapes of the Pacific Northwest often involves the removal of some closed-canopy forest that has expanded due to fire ex…

Many of the nation's overgrown forests are at high risk of burning. Under the Trump administration, work to reduce flammable vegetation fell by more than a million acres compared to previous years.

Beth Harrington’s 2025 documentary Our Mr. Matsura uses communally-held memory and traditional research to explore the little-known story of a Japanese photographer who documented the changing world o...

Changing fire regimes, leading to higher likelihood of high severity fire, are having unknown impacts on biodiversity. This study identifies regions of high avian biodiversity and individual bird spec...

The Pentagon suggested it would take over editorial decision making for Stars and Stripes, which has long retained independence under a congressional mandate.

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Data shows that ICE arrested more than 950 people in Washington state between July 29 and Oct. 15 — far outpacing the roughly 1,000 arrests made over the previous seven

Repeated high-severity fire is threatening forest resilience in dry and mesic forests of the Sierra Nevada and southern Cascades of California, USA. While impacts to plant communities have been descri...

How fixing America’s affordability crisis points toward a conservation future defined by plenty rather than scarcity

Climate change and fire exclusion have changed disturbance regimes in forest ecosystems globally. In many seasonally dry forests, fuels management can…

Wildfire activity has accelerated with climate change, sparking concerns about uncharacteristic impacts on mature and old-growth forests containing large trees. Recent assessments have documented fir...

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Dry forest ecosystems in the western United States face the pressure of uncharacteristically severe wildfires and widespread drought-induced mortality as a result of fire exclusion, past management pr...

An elegy for ponderosa pines in a changing west

Years of inaction by the US Forest Service station near Fresno put one of the agency’s last stands of old growth forests in California on the brink of

This summer, scientists bushwhacked their way to 80 sites in Colorado, New Mexico, and California that burned in 15 fires during 2024, collecting data to create an atlas of burn severity that will cov...

Forests across the southwestern U. S. face escalating challenges from changing climate. The objective of this study, conducted in partnership with the…

Old growth forests across the West are at risk of disappearing within 50 years. The Teakettle Experimental Forest is a tragic example in California.

PDF | The 1964 Wilderness Act is a landmark piece of legislation, providing robust protections from development, mechanization, and resource extraction... | Find, read and cite all the research you ne...

The end of September, kids are back at school, leaves are turning, daily weather is just a bit more random than usual, welcome to fall in the PNW! We’re…

A CIG Webinar SeriesWe’re building a just and resilient world where people and nature thrive in a changing climate. This new webinar series will expand access to 30 years of research, data, and tools,...

Some days it can feel as if climate catastrophe is inevitable. But history is full of cases – such as the banning of whaling and CFCs – that show humanity can come together to avert disaster