The heat is on

The National Weather Service, which earlier this week issued a heat watch in southern Utah, is now warning of “dangerously hot conditions” with temperatures up to 104 degrees in northern Utah from noon Saturday until 9 p.m. Monday.

If the city were to lose power for air conditioning, roughly half the city could end up in the emergency room.

With so many consecutive days of excessive heat, forecasters, physicians and local health officials throughout the Southwest are recommending that people limit their outdoor exposure and know the warning signs of heat illness.

Parts of the U.S. unaccustomed to hot summers crank up ACs and pay more for electricity.

Air-conditioning and swimming pools are sustaining my community. I worry about the day when they won’t be enough.

Extreme heat is the engine of planetary chaos. We ignore it at our peril.

Last month was the hottest June ever recorded globally, according to multiple independent analyses. Surface temperatures were 1.89 degrees F above average, according to NOAA.

Climate-warming greenhouse gasses from natural gas could be as damaging as those from coal, according to a new analysis.

Developers tout hydrogen as a clean energy source; Navajo opponents say it is another way outsiders will profit by harming their environment and health.

The state’s largest electric utility is proposing to lower net-metering compensation and bring about other marked changes that solar advocates say could hurt the burgeoning renewable energy business and reduce the resiliency of local electricity grids.

Utah is "blessed" with good sites for carbon sequestration, and the Utah Geological Survey has received a Department of Energy grant to map them out.

A majority of Utah residents are on board with a nuclear power plant in Utah, with 65% who say they are in support, compared to 31% who are opposed and another 4% who have yet to make up their mind.

The first phase of the Chevelon Butte wind farm is complete, as 57 large wind turbines tower over one of the state's longest-running cattle ranches.

Transportation matters greatly to solar and battery factories arising along metro Denver's I-76 corridor. What about Craig and other coal towns?

After pushback, the BLM said it will require a full environmental review for Rover Metals’ lithium drilling project outside Ash Meadows National Wildlife Refuge in southwestern Nevada.

A planned geothermal plant in Nevada was sent back to square one last week after federal land managers decided to reexamine their approval of the project following the listing of a small rare toad living in adjacent springs as endangered.

Sighting comes on the heels of a confirmed sighting in the Pryor Mountains of southeastern Montana.

In Waterton Lakes National Park in Alberta’s Rocky Mountains, Parks Canada is hiring Indigenous employees to change the way people think about bears.

A Helena judge has ruled that hunting wolves using thermal imaging technology was not explicitly allowed by a 2021 law that expanded when and how the animals can be legally killed on private land.

Montana Fish, Wildlife & Parks has released its 2023 Draft Elk Management Plan which has been years in the making.

Whales, bats and birds sound different depending on where they live. So do elk, according to new research.

A Lower Valley Energy pipeline extension that will deliver natural gas to Jackson Hole will bisect land Wyoming has designated “core habitat” for sage grouse, an icon of the western sagebrush steppe.

Hateful vitriol, including a postcard from “Satan,” has prompted the owner of Elk Mountain Ranch to ask a federal court to stall the judge’s own decision that corner crossing is not trespassing.

Working with the Forest Service, the Pew Charitable Trusts developed an interactive map showing where a more — or less — hands-on approach may help national forests as the world warms.

The nonprofit group was created by Congress in 2017, but the Trump administration didn't appoint members or set it up.

Two senior Biden administration officials offered general support at a Senate hearing Wednesday for two bills that aim to curtail so-called speculative oil and gas leasing on federal lands and to permanently protect more than 420,000 acres in Colorado.

Republicans want to overturn a recent Interior Department decision that banned new leasing and mining around the New Mexico historical park.

A proposal to the BLM to expand the capacity of an oil transport facility on federal land west of Price, Utah, has caught the attention of Colorado officials and conservation groups opposed to increased oil train traffic along the Colorado River.

Elected leaders and ski resort officials shared their thoughts on UDOT's decision to move forward with a gondola through Little Cottonwood Canyon.

It is rare for a state department of transportation to propose solving a traffic problem with anything other than a highway widening. It is even rarer for it to suggest a gondola.

As some of the richest and most influential people on the planet descend on Sun Valley, residents and visitors who end up intermingled among the billionaires and power players hold varying opinions about the annual conference hosted by private investment bank Allen & Co.

The Yellowstone Club can go forward with its plans to make snow using recycled water from Big Sky, the Gallatin County District Court ruled at the end of June.

Providing emergency medical services in Montana's gateway towns to Yellowstone National Park comes with unique problems when tourism swells the local population.

Nearly two weeks after a bridge collapse and train derailment sent 10 rail cars plunging into the Yellowstone River, authorities are starting to quantify the volume of molten asphalt that entered the river.

In the wake of the East Palestine, Ohio, disaster, other train towns wonder: Are we next?

Earthquake reports from the U.S. Geological Society in the Permian Basin juxtaposed with oil production numbers from the Energy Information Administration show rapidly increasing extraction instep with growing seismicity.

Insurance companies claimed Xcel Energy was aware of the high fire risk and could have shut off power, preventing the Marshall fire.

State's largest utility slashed request by 85%, but consumer advocates are troubled by adding lawyer fees, worker bonuses to electric bills.

Wyoming's largest utility says volatile coal and natural gas markets are driving electricity costs upward.

The University of Idaho-led team, recognizing the need for communication across sectors, plans to bring forces together with its think tank, called FIERCE: Fueling an Innovative, Equitable and Resilient Climate-smart Economy. It links multiple organizations from the Columbia River Basin, which spans much of Idaho, Oregon and Washington, as well as a little bit of Montana.

“Roller felling” encourages aspen, but how long the results last and whether it’s any better than other forest treatments remain big unknowns.

The move came as Arizona joined the group in a sign of shifting state politics on energy policy.

Colorado’s reservoirs are full and runoff estimates keep rising after historic rains continued into June, prompting water use to drop.

A senior Interior Department official who has played a key role in negotiations over the shrinking Colorado River will leave her job next month.

The company’s multiple lawsuits mean it can’t cover its bills, but the CEO gave a sizeable payment to his anti-wolf nonprofit.

Lightning bugs light up the sky in scattered pockets across the state, luring sightseers and sparking research that could guide reintroduction

The unions of Lee Enterprises are pushing back against the corporate owners and their plans to slash print days while also failing to articulate a digital plan.