Denver has the 12th-highest levels of ozone pollution out of 228 metro areas studied.

What if Jared Polis and other anti-fracking activists had gotten their way five years ago?

The “Fossil Free” investing movement has picked up steam around the world and in Colorado.

Lawmakers are one step closer to approving climate-change legislation that would set ambitious new targets for the state’s efforts to reduce greenhouse gas emissions.

It’s the most substantial overhaul to Colorado oil and gas law in almost seventy years — and that overhaul is only just beginning.

“It is time that communities have a voice when it comes to massive industrial projects being forced into their neighborhoods and near their schools.”

After further changes demanded by industry groups, SB 181 will have to return to the Senate.

The House is expected to vote on SB 181 soon, but activists are worried about the possibility of amendments that would further weaken it — and potentially jeopardize its passage.

If he ever gets around to reading the resolution he opposes, he might find that there’s a lot he agrees with in it.

House Bill 1261 aims to dramatically reduce Colorado’s greenhouse gas emissions over the next several decades. But is its timeline aggressive enough?

Mayor Michael Hancock’s challengers had harsh words for his record on sustainability and environmental issues.

The bill would set ambitious new targets for emissions cuts and direct state regulators to implement new rules to meet its goals.

Climate change is a global problem, but many of the policies required to solve it will have to be enacted at the local level.

“This whole area is an area of environmental justice.”

Opponents of SB 181 are outspending supporters by a 15-to-1 margin.