"The streak continues: May was record warm for the globe, according to NASA data released Monday."

"President Francois Hollande on Wednesday signed a bill formally ratifying the Paris climate agreement reached last December by nearly 200 countries to limit global warming."

"Arctic sea ice shrank to its lowest level in 38 years last month, setting a record low for the month of May and setting up conditions for what could become the smallest Arctic ice extent in history, according to National Snow and Ice Data Center data released Tuesday."

"More than one-third of the world's population can no longer see the Milky Way because of man-made lights."

"A solar-powered airplane finished crossing the United States on Saturday, landing in New York City after flying over the Statue of Liberty during its historic bid to circle the globe, the project team said."

"It’s no fairy tale — factory farms and air travel form a viral expressway to pandemics."

"Extraordinary melting in Greenland's ice sheet last summer was linked to warm air delivered by the wandering jet stream, a phenomenon that scientists have increasingly tied to global warming."

"For the first time, carbon dioxide emissions from an electric power plant have been captured, pumped underground and solidified — the first step toward safe carbon capture and storage, according to a paper published Thursday in the journal Science."

"People living in areas where the Zika virus is circulating should consider delaying pregnancy to avoid having babies with birth defects, the World Health Organization has concluded."

"This year's extra-large El Nino weather pattern is over, according to federal meteorologists."