"UNITED NATIONS — Leaders from around the world maintained a defiant front on Thursday after President Trump announced that he would withdraw the United States from the Paris Agreement."

"The world's first commercial plant for capturing carbon dioxide directly from the air opens today, refueling a debate about whether the technology can truly play a significant role in removing greenhouse gases already in the atmosphere."

"China and the European Union will seek on Friday to save an international pact against climate change from which U.S. President Donald Trump appears to be set to withdraw."

A subsidiary of one of China's largest wind turbine manufacturers has offered to provide free training to unemployed coal miners in Wyoming.

"It’s one of our most widely used natural resources, but it’s scarcer than you think."

"A sense of déjà vu pervaded the latest meeting of oil exporting countries. While production cuts have again bolstered oil prices, the optimism may fade, as shale producers in the United States jump back into the market and the rise of renewables dims prospects for demand."

"Six world leaders reaffirmed their commitment to the Paris accord, the world's first comprehensive deal aimed at reducing greenhouse emissions. However, the US has refused to recommit to the agreement, saying it will make a decision next week."

"Pope Francis joined an international chorus urging Donald Trump to meet U.S. commitments on climate change in talks at the Vatican Wednesday."