"Monsanto has accepted a takeover offer from Germany's Bayer at $128 a share, the BBC has learned."

"As the United Nations General Assembly converges in New York on Tuesday, Secretary General Ban Ki-moon is using the gathering of world leaders to rush the 2015 Paris climate change accord into legal force this year, hoping to bind all countries to its strictures for at least the next four years — regardless of the outcome of the presidential election in the United States."

"As coalition of countries, including the US, push for resolution to end ivory trade, Japan, Namibia, South Africa and Canada raise concerns at Hawaii meeting".

"North Korea defiantly celebrated its fifth nuclear test Friday, claiming that it can now make warheads small enough to fit onto a missile and warning its "enemies" — specifically the United States — that it has the ability to counter any attack."

"Scientists worry that the runaways could harm native species".

"Unspoiled lands are disappearing from the face of the Earth at an alarming pace, with about 10 percent of wilderness regions - an area double the size of Alaska - lost in the past two decades amid unrelenting human development, researchers said on Thursday."

"Antibiotic resistance has grown so dire that it will be the subject of a dedicated global summit later this month".

"After this week's G20 summit in China failed to set a target year to phase out hundreds of billions of dollars in state subsidies for polluting fossil fuels, green groups and experts are urging Germany to finish the job as host of next year's summit."

"Much of the heat of global warming has been absorbed by the sea, with a steep cost to marine life, ecosystems and the people that depend on them."

"In the course of a 17-year experiment on more than 1 million plants, scientists put future global warming to a real world test — growing California flowers and grasslands with extra heat, carbon dioxide and nitrogen to mimic a not-so-distant, hotter future. The results, simulating a post-2050 world, aren't pretty. And they contradict those who insist that because plants like carbon dioxide — the main heat-trapping gas spewed by the burning of fossil fuels — climate change isn't so bad, and will result in a greener Earth."