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Articles on Renewable energy

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Wind turbines near Glenrock, Wyo. AP Photo/Matt Young

The US electric power sector is halfway to zero carbon emissions

Fifteen years ago electric power generation was the largest source of US greenhouse gas emissions. Now the power sector is leading the shift to a clean energy economy.
Wind turbines and fighter jets both rely on imported critical minerals. U.S. Air Force; Dennis Schroeder/NREL

The US is worried about its critical minerals supply chains – essential for electric vehicles, wind power and the nation’s defense

Right now, the nation is almost entirely dependent on other countries for minerals that are used in everything from wind turbines to strike fighters and satellites.
The Los Angeles Department of Water and Power’s Pine Tree Wind Farm and Solar Power Plant in Tehachapi, Calif., 115 miles from LA. Irfan Khan / Los Angeles Times via Getty Images

The US needs a macrogrid to move electricity from areas that make it to areas that need it

The US electricity grid is actually five regional grids, and it's hard to share power between them. A macrogrid could bridge the gaps, making electricity cheaper and more reliable.
Giant kelp (Macrocystis pyrifera) is a potential energy crop. Linking Tourism & Conservation/Flickr

Move over, corn and soybeans: The next biofuel source could be giant sea kelp

Making biofuels from crops grown on land poses trade-offs between food and fuel. A new study looks offshore.
Building a U.S. offshore wind industry will require more than just fast-tracking permits. Christopher Furlong/Getty Images

The US just set ambitious offshore wind power targets – what will it take to meet them?

To increase renewable energy use, the Biden administration wants the US to go from seven offshore wind turbines today to enough to power 10 million homes within a decade.
As climate change brings longer and drier summers, Canadians will face greater risks of more serious wildfires, like those that tore through neighbourhoods in Fort McMurray, Alta., in May 2016. THE CANADIAN PRESS/Ryan Remiorz

How to build support for ambitious climate action in 4 steps

Governments must expand the number of people who see themselves as "winners" in the transition to a low-carbon society.

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