"Opponents of the long-stalled Keystone XL oil pipeline asked a federal court Friday in a lawsuit to declare President Donald Trump acted illegally when he issued a new permit for the project in a bid to get around an earlier court ruling."

"A Northern California congressman has renewed his targeting of acting Interior Secretary David Bernhardt with the introduction of a new ethics reform bill."

"Federal judges today scrapped another Obama-era effort to crack down on planet-warming gases used in refrigeration and cooling."

"The state of California filed a lawsuit on Friday seeking to force two federal agencies to provide data they used to justify rolling back landmark Obama-era vehicle emission standards, accusing the Trump administration of “willfully withholding” information."

"A climate science advisory panel disbanded by the Trump administration released a report today outlining the steps communities can take to prepare for climate change."

"A new committee formed by House Democrats to address climate change held its first hearing on Thursday, welcoming young leaders in the Green movement."

"Mexican and American officials met in Mexico City this week to talk about fixing a costly set of problems that have sprung up along the border: failing sewer systems that send raw sewage spilling into rivers."

"Senate Democrats are requesting the Interior Department’s watchdog investigate what role President Trump’s pick to lead the agency played in preventing the release of a government report on toxic pesticides and endangered species."

"President Trump’s pick for Interior Department secretary, former oil and gas lobbyist David Bernhardt, was approved by the Senate Energy and Natural Resources Committee by a 14-6 vote Thursday."

"A previously undisclosed invoice indicates that David Bernhardt, President Trump’s choice to lead the Interior Department, continued to lobby for a major client several months after he filed official papers saying that he had ended his lobbying activities."