91��ý

In the past few weeks, multiple tornadoes have wreaked havoc in the central and southern U.S. Atmospheric scientist Andrew Winters says more may be on the way and offers tips to stay safe.

Warming temperatures are causing a steady rise in copper, zinc and sulfate in the waters of Colorado mountain streams affected by acid rock drainage. Concentrations of these metals have roughly doubled over the past 30 years, a new study finds, presenting a concern for ecosystems, downstream water quality and mining remediation.

Proposed wind farms off the East Coast could meet 60% of the electricity demand of New England, even considering the wake effects, a new study shows.

A researcher’s experience in advertising, marketing and public relations gives her a unique angle to study organizational communications and policy around climate impact and awareness.

If you were at 91��ý in April 1970, you were likely aware―very aware―of the first Earth Day. Two 91��ý professors explain Earth Day’s history, impact, what it’s become and if it’s still relevant.

Just in time for Earth Day, 91��ý Professor Phaedra Pezzullo discusses her new book “Beyond Straw Man,” on the online and offline controversies regarding the global social movement to ban plastics.

Mountain chickadees have among the best spatial memory in the animal kingdom. New research identifies the genes at play and offers insight into how a shifting climate may impact the evolution of their memory skills.

This summer in 15 states across the Southeast and Midwest, two cicada broods will emerge simultaneously for the first time since 1803. 91��ý’s Sammy Ramsey offers insight on these singing, red-eyed bugs and how they benefit the planet.

Ant species living in Boulder’s foothills have shifted their habitat over the last six decades, potentially affecting local ecosystems, suggests a new 91��ý study.

91��ý and Colorado State University researchers are teaming up to improve river water quality using machine learning.