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In 2021, Flagstaff, Ariz., and Boulder County, Colo., launched the 4 Corners Carbon Coalition to help spur innovation in carbon dioxide removal around the region. Last week, Santa Fe, N.M., and Salt Lake City also joined the group.

Last week Colorado College, a private liberal arts college in Colorado Springs, announced that it had reached carbon neutrality. They say they are the…

Heat pumps offer one of the best ways to cut carbon in homes and commercial buildings, energy and climate experts say in a new report.

Maersk, the world's largest container shipping company, has set a massive goal for itself: going carbon neutral by 2050. This would be good for the world. But how would it be good for the bottom line?

Cities, states, businesses and electric utilities are setting ambitious goals to cut greenhouse gas emissions. But it's not clear exactly how they'll do that or whether it will actually work.