The mayor of Charlotte, N.C., was confirmed with a unanimous Senate vote.
The program will pay residents for excess solar power they produce on their roofs, with the aim of generating enough to power 30,000 homes.
And at least one coal-loving Democrat, Sen. Joe Manchin of West Virginia, agrees.
The 15-acre sinkhole was caused by the collapse of a salt mine that served the petrochemical industry.
Enviros criticized the methodology and scope of a study that found tar-sands pipelines to be just as safe as regular oil pipelines.
The number of bumblebees killed by a pesticide application in Oregon has risen to 50,000, and nature lovers are calling for stronger regulation of neonicotinoid insecticides.
An EPA rule cracking down on power-plant pollution that crosses state borders was struck down by a federal court last year. Now the Supremes will hear the case and could reinstate the rule.
Markey handily beat Republican Gabriel Gomez in the Massachusetts special election, thanks in part to millions of dollars poured into the race by enviros.
Epic floods forced more than 100,000 people to flee their homes last week in Alberta, Canada, prompting questions about the link between climate change and flooding.