An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Marble quarry operators violated Clean Water Act, Army Corps of Engineers finds

The U.S. Army Corps of Engineers has determined that the operators of a marble quarry violated the Clean Water Act when they diverted a tributary of the Crystal River to make way for a mining road.

Quarry in Marble facing scrutiny from federal, state regulators in wake of diesel spill

The operator of Marble’s famed Yule quarry, is facing scrutiny and possible penalties from federal and state regulators after an October diesel spill that shut down operations for nearly two months.

The coronavirus pandemic might make buildings sick, too

With millions of people under stay-at-home orders, water is sitting in the pipes of empty office buildings and gyms, getting old and potentially dangerous.

New law strengthens historical agricultural water uses

A new bill seeks to resolve the debate over how ranchers and other water users can maintain their historical water use when dry conditions trigger cutbacks.

Can carbon credits save Sacramento-San Joaquin Delta islands and protect California’s vital water hub?

An ambitious plan would use carbon credits as incentives to convert Delta islands to wetlands or rice to halt subsidence and potentially raise island elevations.

Colorado water utilities race to protect workers from COVID-19 as they declare tap water...

Water utilities initiated emergency action plans, asking hundreds of employees to work from home to limit the virus’ spread and to help protect the workers needed to operate water treatment and delivery systems.

Cloud seeding study validates ski industry staple

Cloud seeding disperses dust-sized silver iodide particles into clouds so that ice crystals can form on those particles and fall to the ground as snow.

‘This system cannot be sustained’

This year, tribal nations enter negotiations over Colorado River water.

Water is life. It’s also a battle. So what does the future hold for...

An explanation of California’s water development — as well as the challenges, today and tomorrow, of providing water for the state’s people, places and things.

Report: Colorado’s farm water use exceeds national average, despite efforts to conserve

Farm water is critical to Colorado’s effort to balance a growing population with a water system stressed by drought and climate change.