Tens of thousands of small barriers hamper fish recovery in the northeastern United States. But while the demolition of big dams out west gets the most attention, a similar revolution is revitalizing ...

From colour-blindness to women’s clothing, early warning systems must ensure no one is left behind.

Atmospheric rivers can bring much-needed water to the West, but they can also produce devastating floods. Dr. Marty Ralph, founding director of the Center for Western Weather and Water Extremes at UC ...

In a statement on the recent attack of the National Academy of Sciences of Ukraine, the presidents of the U.S. National Academies of Sciences, Engineering, and Medicine underscored their support for their colleagues at the Ukrainian academy. “We know that the Ukrainian research community is strong, and we will continue to stand by them.” (Photo: REUTERS/Thomas Peter)

EDIS lets you explore earthquakes, storms, wildfires, volcanic eruptions, and plenty more on an interactive map that updates in real-time.

Alito will sit out the first case heard by the Supreme Court this term after facing calls from the left to do so because he owns stock in oil companies. He had previously pushed back.

El Niño could unleash major storms and flooding. It also could bring precious water to drought-afflicted California.

SWOT is exposing humans’ effects on rivers—and challenging flood prediction models

Record-setting warm waters slosh eastward across the tropical Pacific, forming El Niño. This recurrent climate pattern reconfigures severe weather worldwide, and with it, the global economy. Scientist...

PDSs fail through bottom-up thaw and detach the entire permafrost profile, fundamentally different from top-down thaw-driven mass wasting Climate warming and wildfire drive heat to the permafrost...

The Agency for Toxic Substances and Disease Registry (ATSDR), a federal public health agency within the U.S. Department of Health and Human Services (HHS) that works jointly with the Centers for Disea...

There is hope in solar power. As the UN meets, we are urging leaders to pursue a clear goal: clean energy for all by 2030

A network of climate assessments plays a critical role in synthesizing the state of science to support evidence-based decision-making To support future U.S. and sub-national climate assessments, ...

The Sacramento River has gotten too warm for salmon eggs. Environmental advocates blame the Trump administration for taking too much water out of Shasta Lake.

The top U.S. shale oil drillers aim to find the next big boom abroad.

Starting in May 2025, the US government implemented an immigration policy that targeted noncitizen researchers for visa denials, visa revocations, detention, and deportation on the basis of the topics...

Ecologists testing “assisted migration” are pushing seedlings to the limits—and finding that location matters

But skeptics question whether effort to save San Francisco Bay delta region will work without allocating more water for nature

As researchers around the world begin work on the next U.N. climate assessment, fears are growing that the Trump administration could meddle with critical U.S. climate data. In response, scientists ar...

EU ambassadors want COP31 to deliver faster clean-energy deployment, a transition away from fossil fuels, greater electrification, tripling renewable energy, doubling energy-efficiency improvements an...

U.S. irrigation prevents billions of tons of carbon emissions by boosting crop yields and reducing the need to convert natural land into farmland.

A letter, backed by nearly a third of Congress, sent Tuesday called the potential deal “extremely concerning.”

A new study could help farmers adapt to an underappreciated threat to cocoa harvests.

OpenAI is disrupting mathematics, alright.

INTRODUCTION: Plastic pollution has become one of the fastest-growing and most difficult-to-reverse components of global change. Microplastics are now detected in nearly all natural environments...

Experts said amending the finalized federal climate report would be unprecedented.

Water and sewer systems built more than a century ago are struggling with storms, heat and drought. The cyberattacks aren’t helping, either.

Global shift towards clean electricity could trigger ‘cascade’ of progress, helping reduce air pollution, cut waste and revive oceans

The Trump administration and Westlands Water District are objecting to California's water plan for the Sacramento-San Joaquin River Delta.

The low-lying clouds hold a diverse microbiome

Our three cities are learning from each other about how to protect residents. These climate policies are also public health measures

Maize, rapeseed and winter wheat matured and were harvested in Europe much earlier in 2026 than at the turn of the century, data shows, as warming climate upsets ​farming throughout the continent.

The Journal of Lost Species is a true open access journal which aims to highlight global research documenting the loss and rediscovery of species.

Climate change increases plant species richness in alpine ecosystems. However, to what extent this diversity enrichment masks extinction dynamics of resident species remains elusive. In this study, we...

Over the next 18 months, California voters will have two chances to approve spending billions of dollars to bolster the state’s scientific enterprise in the wake of cuts to federal research by...

A new study from the Center for Western Weather and Water Extremes (CW3E) at Scripps Institution of Oceanography at UC San Diego finds that improved weather and water forecasts could help California g...