"Ikea, the world’s biggest furniture retailer, plans to spend €1bn ($1.13bn) on renewable energy and steps to help poor nations cope with climate change, the latest example of firms upstaging governments in efforts to slow warming."

"Georgetown University's board of directors approved a plan Thursday to divest its endowment from coal companies."

"An apparent slowdown in the pace of global warming in recent years may be an illusion based on skewed data, according to a study on Thursday that found no break in a trend of rising temperatures."

"VATICAN CITY — Pope Francis' eagerly awaited environment encyclical will be published June 18."

"The head of the United Mine Workers of America (UMWA) said his union will sue the Environmental Protection Agency (EPA) over two rules designed to cut greenhouse gas emissions at power plants once the Obama administration finalizes them."

"OAK CITY, N.C. — For the sake of a greener Europe, thousands of American trees are falling each month in the forests outside this cotton-country town."

"A global carbon emissions pricing system pushed by top energy companies is unlikely to be a big part of any United Nations' deal to curb global warming, some experts say, because many countries have little faith in such cross-border initiatives."

"The Environmental Protection Agency's plans to finalize the rules on carbon emissions from power plants are still several months away. But most states, even those challenging the agency in court, are already investigating ways to comply."

"The Obama administration is set to announce that it will require new rules to cut emissions from airplanes, expanding a quest to tackle climate change that has included a string of significant regulations on cars, trucks and power plants."