Administration officials worry their plans to fight climate change could falter unless electric grids can quickly expand to handle more wind and solar power.
Paris is becoming a city of bikes. Across China, people are snapping up $5,000 electric cars. On Earth Day, a look at a few bright spots for emission reductions.
A mining company wants to build a 211-mile industrial road through Alaskan wilderness to reach a large copper deposit. The Interior Department says it would harm wildlife and communities.
A rarely used technique to upgrade old power lines could play a big role in fixing one of the largest obstacles facing clean energy, two reports found.
Replacing existing power lines with cables made from state-of-the-art materials could roughly double the capacity of the electric grid in many parts of the country.
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