Colorado scientists developed a laser to measure cow burps
Researchers tracked climate-warming pollution, such as methane gas, at feedlots in northern Colorado.
By Sam Brasch
Colorado’s fossil fuel phase-out is likely to fail without big changes, but supporters still hope it sends a message
The bill doesn’t appear to have the support to survive its first committee vote without significant amendments.
By Sam Brasch
Xcel Energy backs off plan to blend hydrogen into the natural gas system serving a neighborhood near Hudson
After residents and regulators raised safety concerns, Colorado’s largest utility no longer plans to test the climate strategy on local natural gas customers.
By Sam Brasch
The Marshall Fire didn’t leave behind dangerous levels of soil contamination, new study finds
The fire torched homes and vehicles, but researchers at the University of Colorado Boulder found levels of heavy metals in the burn area aren’t high enough to threaten human health.
By Sam Brasch
Why a new air quality bill is the latest in rift between Gov. Polis and environmental justice groups
The legislation would expand the state air commission and force the state to close a “pay-to-comply” option for large industrial polluters.
By Sam Brasch
To improve Colorado air quality, state Democrats propose overhaul targeting pollution from Suncor, oil and gas
The legislation would impose regulations on sources of harmful emissions that contribute to smog and pollution.
By Sam Brasch
What killed a 1980s program to kickstart a green home revolution in Colorado?
Today, the houses might look like a typical part of a cul de sac, but they were once the federal government’s answer to the energy crisis.
By Sam Brasch
Colorado is set to consider a ‘fossil fuel phase-out.’ Here’s why that’s a big deal
An upcoming bill from statehouse Democrats would stop Colorado from issuing new oil and gas permits by 2030.
By Sam Brasch
Colorado lawmakers prep legislation to limit local power over wind and solar projects
The plan comes amid deadlines to clean up the electricity grid and a movement that has successfully slowed renewable energy development in rural areas.
By Sam Brasch
Suncor Energy agrees to the largest air pollution penalty in Colorado history
The settlement covers illegal air pollution releases between 2019 and 2021 but doesn’t punish the company for more recent violations.
By Sam Brasch
Xcel Energy proposes hiking Colorado gas bills by nearly 10 percent
Colorado’s largest utility says the increase is necessary to pay for improvements to ensure the safety and reliability of its extensive natural gas network.
By Sam Brasch
Why Xcel Energy’s push to expand EV incentives has divided climate and consumer advocates
The plan would allow customers to combine ratepayer-funded rebates with Colorado’s already generous suite of incentives.
By Sam Brasch
Here’s where Colorado wolves have been hanging out — for now
A new map based on GPS collar tracking data reveals the predators have traversed a broad area centered around Kremmling.
By Sam Brasch
Last weekend’s polar vortex will cost most Coloradans an extra $15 for increased energy costs
Natural gas prices were lower than in previous storms, but the state’s largest utility says the frigid weather could impact home energy bills for months.
By Sam Brasch
Here’s what’s behind those scammy social media ads for free solar panels
Welcome to the shady underbelly of the sunshine industry, which falsely promises no-cost panels and Tesla Powerwalls.
By Sam Brasch
Why Colorado should expect a drier future with more wildfires and air pollution
The state’s updated climate change report finds rising temperatures will make it harder for Colorado to hold onto its critical water resources.
By Sam Brasch