International

"Polar bears have shifted to a diet of more land-based food in response to climate change and melting sea ice in the Arctic, new research finds."

"The world's biggest trading powers pledged on Friday to work toward a global agreement on free trade in environmental goods, but they gave no timeline for talks intended to support the fight against climate change."

"DAVOS, Switzerland -- At the World Economic Forum in Davos, World Bank President Jim Yong Kim called for a price on carbon, requiring companies to disclose their climate risk exposure, and greater investment in green bonds in the fight against climate change."

"Climate change could get in the way of future Olympic Winter Games, a new study finds."

"Pope Francis is drafting an encyclical on the environment."

"The Tide manufacturer aims to cut phosphates from all its laundry soaps within two years, a move that could benefit the environment - especially in developing countries."

"While states like Washington are moving on their own to curb ocean acidification, national efforts are stymied by politics — and ever-rising CO2 emissions."

"WASHINGTON — Coca-Cola has always been more focused on its economic bottom line than on global warming, but when the company lost a lucrative operating license in India because of a serious water shortage there in 2004, things began to change."

Caroline Kennedy, the US ambassador to Japan, tweeted that she was "deeply concerned" about the killing of dolphins in the notorious Taiji cove in that country.

"The average temperature of Earth maintained its warming trend in 2013, despite seasonal and regional variations that included a shrinking ice cap in the Arctic and a massively growing one in the southern hemisphere, U.S. scientists said on Tuesday."