The Conversation

April 12, 2025

By Jack Brand, Swedish University of Agricultural Sciences and Michael Bertram, Stockholm University “Out of sight, out of mind” is...

THE CONVERSATION: EPA must use the best available science − by law − but what does that mean?

The Conversation

Policy and regulation Science

April 8, 2025

By H. Christopher Frey, North Carolina State University Science is essential as the U.S. Environmental Protection Agency carries out its...

THE CONVERSATION: Revoking EPA’s endangerment finding – the keystone of US climate policies – won’t be simple and could have unintended consequences

The Conversation

Policy and regulation

March 20, 2025

Patrick Parenteau, Vermont Law & Graduate School Most of the United States’ major climate regulations are underpinned by one important...

THE CONVERSATION: Zombie water apocalypse: Is Trump’s rhetoric over Canada’s water science-fiction or reality?

The Conversation

Policy and regulation

March 13, 2025

By Tricia Stadnyk, University of Calgary Interest from the United States in Canada’s water is concerning, though nothing new. In...

THE CONVERSATION: Supreme Court sides with San Francisco, requiring EPA to set specific targets in water pollution permits

The Conversation

Policy and regulation

March 5, 2025

By Robin Kundis Craig, University of Kansas The U.S. Supreme Court has limited how flexible the Environmental Protection Agency and...

THE CONVERSATION: NOAA’s vast public weather data powers the local forecasts on your phone and TV – a private company alone couldn’t match it

The Conversation

Hydrology Planning and management

February 11, 2025

By Christine Wiedinmyer, University of Colorado Boulder and Kari Bowen, University of Colorado Boulder When a hurricane or tornado starts...

THE CONVERSATION: Drought can hit almost anywhere: How 5 cities that nearly ran dry got water use under control

The Conversation

Planning and management

February 5, 2025

By Sara Hughes, Adjunct Professor of Environment and Sustainability, University of Michigan; and Michael Wilson, Professor of Policy Analysis, Pardee...

THE CONVERSATION: After the fire: Rain on wildfire burn scars can trigger deadly debris flows – a geologist explains how

The Conversation

Wildfires and watersheds

January 23, 2025

By Jen Pierce, Boise State University While firefighters work to extinguish the Los Angeles-area wildfires, city officials and emergency managers...

THE CONVERSATION: LA fires: Why fast wildfires and those started by human activities are more destructive and harder to contain

The Conversation

Climate change Wildfires and watersheds

January 14, 2025

Virginia Iglesias, University of Colorado Boulder Investigators are trying to determine what caused several wind-driven wildfires that have destroyed thousands...

THE CONVERSATION: Firefighting planes are dumping ocean water on the Los Angeles fires − why using saltwater is typically a last resort

The Conversation

Wildfires and watersheds

January 13, 2025

By Patrick Megonigal, Smithsonian Institution Firefighters battling the deadly wildfires that raced through the Los Angeles area in January 2025...

THE CONVERSATION: Wildfires can contaminate drinking water systems with harmful chemicals − here’s what Los Angeles needs to know

The Conversation

Water quality Wildfires and watersheds

January 11, 2025

By Andrew J. Whelton, Purdue University The wildfires in the Los Angeles area have destroyed more than 10,000 structures, many...

THE CONVERSATION: Atmospheric river meets bomb cyclone: The result is like a fire hose flailing out of control

The Conversation

Current Conditions

November 21, 2024

By Chad Hecht, University of California, San Diego The West Coast’s rainy season has arrived in force, as an atmospheric...

THE CONVERSATION: Microplastic pollution is everywhere, even in the exhaled breath of dolphins – new research

The Conversation

Water quality

October 17, 2024

By Leslie Hart, College of Charleston and Miranda Dziobak, College of Charleston Bottlenose dolphins in Sarasota Bay in Florida and...

THE CONVERSATION: Atmospheric rivers are shifting poleward, reshaping global weather patterns

The Conversation

Climate change Hydrology

October 11, 2024

By Zhe Li, University Corporation for Atmospheric Research Atmospheric rivers – those long, narrow bands of water vapor in the...

THE CONVERSATION: Millions of people across the US use well water, but very few test it often enough to make sure it’s safe

The Conversation

Water quality

October 11, 2024

By Gabriel Lade, Macalester College About 23 million U.S. households depend on private wells as their primary drinking water source....

Author The Conversation

THE CONVERSATION: Drug pollution in water is making salmon take more risks – new research

THE CONVERSATION: EPA must use the best available science − by law − but what does that mean?

THE CONVERSATION: Revoking EPA’s endangerment finding – the keystone of US climate policies – won’t be simple and could have unintended consequences

THE CONVERSATION: Zombie water apocalypse: Is Trump’s rhetoric over Canada’s water science-fiction or reality?

THE CONVERSATION: Supreme Court sides with San Francisco, requiring EPA to set specific targets in water pollution permits

THE CONVERSATION: NOAA’s vast public weather data powers the local forecasts on your phone and TV – a private company alone couldn’t match it

THE CONVERSATION: Drought can hit almost anywhere: How 5 cities that nearly ran dry got water use under control

THE CONVERSATION: After the fire: Rain on wildfire burn scars can trigger deadly debris flows – a geologist explains how

THE CONVERSATION: LA fires: Why fast wildfires and those started by human activities are more destructive and harder to contain

THE CONVERSATION: Firefighting planes are dumping ocean water on the Los Angeles fires − why using saltwater is typically a last resort

THE CONVERSATION: Wildfires can contaminate drinking water systems with harmful chemicals − here’s what Los Angeles needs to know

THE CONVERSATION: Atmospheric river meets bomb cyclone: The result is like a fire hose flailing out of control

THE CONVERSATION: Microplastic pollution is everywhere, even in the exhaled breath of dolphins – new research

THE CONVERSATION: Atmospheric rivers are shifting poleward, reshaping global weather patterns

THE CONVERSATION: Millions of people across the US use well water, but very few test it often enough to make sure it’s safe