A copper mine in British Columbia produces a metal the world needs to phase out fossil fuels. It holds promise — and danger.

After a string of discouraging rulings for other cities, a court upheld NYC's efforts to decarbonize its buildings.

After a string of discouraging rulings for other cities, a court upheld NYC’s efforts to decarbonize its buildings.

Cities looking to eliminate fossil fuels in buildings have notched a decisive court victory. Last week, a federal judge ...

At the top of the world, there is a sea—the remains of one, at least. The summit rocks of Mount Everest, the highest ...

Diverting materials can provide beneficial reuse and bring renewable products into the market. By Debra Darby, CCP, Peter ...

Cities looking to eliminate fossil fuels in buildings have notched ... director of the Cities Climate Law Initiative at Columbia University’s Sabin Center for Climate Change Law.