"Governments should treat climate change as seriously as threats to national security or public health, partly by focusing more on the worst scenarios of rising temperatures, an international report said on Monday."

"VIENNA — Iran and a group of six nations led by the United States have agreed to a historic accord to significantly limit Tehran’s nuclear ability for more than a decade in return for lifting international oil and financial sanctions against Iran, a senior Western diplomat involved in the negotiations said on Tuesday."

"Oil extended its decline after its biggest weekly drop since March as investors weighed the prospects of Iran increasing crude exports in an oversupplied market."

"Climate change has narrowed the range where bumblebees are found in North America and Europe in recent decades, according to a study published Thursday."

"Even if world manages to limit global warming to 2C — the target number for current climate negotiations — sea levels may still rise at least 6 meters (20 ft) above their current heights, radically reshaping the world’s coastline and affecting millions in the process."

"If you only focused on the United States, you might think coal's days were numbered."

"Mining in the deep sea for minerals is uncharted territory, but one company is well on its way to making it a reality. Now, the company is trying to convince skeptical audiences it's a good idea."

"New analyses are giving mixed grades to the most recent greenhouse gas emissions targets submitted to the United Nations, with particularly low marks for the pledge from South Korea."

Greenland's massive ice sheet is melting faster this summer as the dome of hot air breaking records in Europe also threatens to hasten climate-related sea-level rise.

"Twenty local governments, representing areas producing 5 percent of global climate-changing emissions, have committed to targets to cut those emissions, with the majority also setting goals for renewable energy, a platform uniting them said on Thursday."