Climate Change

A group of about 100 people who oppose the pipeline that is primed to be laid near a stretch of the Mississippi in Clearwater County pitched tents, built compost toilets and established a camp along the timber-mat boardwalk that extends to the riverbanks. The group ended its eight-day occupation of the space Monday evening.

On a 2-1 vote, a Minnesota Court of Appeals panel has upheld the state's approval of the Line 3 oil pipeline replacement project, dealing a blow to tribes and environmental groups battling the project.

The Minnesota Court of Appeals heard arguments Thursday over a challenge to a key water quality permit that it granted to the Line 3 oil pipeline project.

Minnesota state lawmakers are trying to hammer out a deal on clean car rules. Meanwhile, Midwest dairy farmers are cashing in on California's clean car standards by supplying the state with perhaps the smelliest clean fuel out there.

More than 200 people were arrested during protests against the Line 3 oil pipeline project Monday near the Mississippi River headwaters.

A record dry year is creating extreme drought in the West. But even if it rains, climate change will continue to shrink the water supply for millions of people.

Protesters fighting the Enbridge Energy company’s push to replace an aging oil pipeline across northern Minnesota maintained a blockade at a pump station Tuesday as part of a summer drive to stop the project before it can go into service.

Hundreds of activists gathered Monday near the headwaters of the Mississippi River to protest the ongoing construction of the new pipeline, which will replace a line that's been carrying Canadian tar sands oil across northern Minnesota since the 1960s.

New rules for curbing vehicle emissions are still a sticking point as Gov. Tim Walz and top legislators try to reach agreement on a new two-year state budget before a July 1 deadline.

The annual peak of global heat-trapping carbon dioxide in the air has reached another dangerous milestone: 50 percent higher than when the industrial age began.