"Washington’s notorious snowball-thrower was at it again – even on a June day with forecast highs of 92 degrees – as the Senate’s most powerful environmental leader delivered a pep talk to activists who deny the science behind climate change."

"If House Republicans get their way, President Obama won't be able to use any trade pact to strike a deal on climate change."

"Many Southern California communities stand out as some of the nation’s worst environmental justice hot spots, according to a new map released Wednesday by the Obama administration."

"More than 100 scientists and economists from Canada and the U.S. made an unprecedented call Wednesday for a halt to new projects in the oilsands until carbon emissions can be reduced."

"A bill that would effectively overturn a new Environmental Protection Agency clean water rule won a critical committee vote Wednesday and now appears headed for a decision by the full U.S. Senate."

"A new oil refinery is the last thing you might expect Washington Gov. Jay Inslee’s administration to be courting. After all, Inslee has developed a national reputation as a champion of curbing the use of fossil fuels."

"The Obama administration is planning a series of actions this summer to rein in greenhouse-gas emissions from wide swaths of the economy, including trucks, airplanes and power plants, kicking into high gear an ambitious climate agenda that the president sees as key to his legacy."

"A Republican businessman said on Monday he is pouring millions of dollars into a foundation that sees opportunities where the majority of his fellow party members do not: easing climate change and speeding the country's transition to clean energy."

""The secretive funders behind America’s conservative movement directed around $125m (£82m) over three years to groups spreading disinformation about climate science and committed to wrecking Barack Obama’s climate change plan, according to an analysis of tax records."

"An activist was placed on a US government watchlist for domestic flights after being swept up in an FBI investigation into protests of the Keystone XL pipeline, linking a breach of intelligence protocol with accounts of continued tracking that environmentalists fear could follow them for life."