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Climate Central has new analysis out showing how many people are impacted by urban heat islands, areas of cities where the built environment raises temperatures relative to surrounding areas. Several Western cities — including Denver and Las Vegas — were included.

Local health officials say there's a greater risk of West Nile virus this year. The number of mosquitoes that carry the virus has jumped dramatically.

The abundance of parks and lakes in the Mountain West has benefits for the environment and makes the area more desirable to visit. And these spaces – especially when located in a city – can also work wonders for health.

The Mine Safety and Health Administration issued 335 violations in April at 20 mines across 15 states. Mines in the Mountain West accounted for 83 of the violations, 17 of which were considered "significant and substantial."

A new study shows that toxic chemicals are leaking from oil and gas wells that aren’t even operating, raising concerns about the millions of abandoned wells scattered across the country.

As extreme summer temperatures contribute to the uptick in blackouts across the country, a new study shows that when the two events coincide the public health risks can be profound, especially in the Southwest.

It’s something many current and former wildland firefighters ask themselves: what does all this smoke, dust and ash I’ve been breathing for months on end mean for my health? A new national registry for all firefighters could eventually shed a great deal more light on that largely unanswered question.

New Mexico and Nevada are among at least a dozen states that have considered so-called "green amendments" to their state constitutions so far this year. The amendments are modeled after Montana's constitutionally guaranteed right to a clean environment.

Lawmakers in states including Colorado, California, Texas and New York are taking big, legislative swings at the eating disorder crisis. It's estimated that around 30 million Americans will struggle with an eating disorder in their lifetime.

From 2022 to 2023, Colorado is seeing the second-highest increases in monthly private health insurance costs – nearly 20% – compared to the national average of less than 4%, according to an analysis by the finance website ValuePenguin. Wyoming and New Mexico also ranked in the top 5 with increases around 15%.