One power company announces a goal of 100 percent clean energy as a near-record number of coal-fired power plant close
Scientists are developing flexible, thin-films that will be more resilient and have wider uses than current solar technology
A new climate plan also includes measures to make the hurricane-battered island more climate resilient
Wind and solar costs have plummeted, but global energy demands will continue to rise
Wind farms can cause a cascade of ecological effects, but are still needed to provided cleaner energy supplies
Statewide proposals on ways to tackle greenhouse gases, renewable energy and Medicaid expansion will be voted up or down on Tuesday
Florida has lagged in renewable energy use, but declining solar costs are set to change that
Palau, under threat from sea level rise, wants to have 70 percent renewable energy by 2050
The National Transportation Research Center develops technology that informs tailpipe emissions standards
Its health system lacks the capacity to respond to attacks that use high-powered modern weapons
Ice jams and bird and bat deaths will determine the answer
Eight graphs tell the story; see for yourself
Attorneys argue that delays have let the EPA circumvent its duty to regulate greenhouse gases
Cheap natural gas and subsidized renewables make coal plants an expensive prospect
Artificial leaves convert sunlight into fuel at a rate that could efficiently power remote locations.
Battery systems intended as backups may help companies like Microsoft increasingly employ renewable energy
The island has long-term plans to make its main public electrical grid smarter as residents turn to solar power and microgrids for faster relief
The approach to buying renewable energy to offset electricity use was pioneered by major corporations
Security expert offers a scientific perspective on realistic options for the U.S.
Photosynthesis actually is an inefficient process, but a biological chemist is trying to crank it up.