A 21st-century reinvention of the electric grid is crucial for solving the climate change crisis
At-a-Glance: With the falling costs of wind and solar power and existing nuclear power plants, many analysts believe the U.S. can cost-effectively and reliably operate a power grid with 80% to 90% clean electricity, but decarbonizing the last 10% to 20% will be notably more challenging. Unlike coal and nuclear, solar and wind are variable; Read more →