Study: Polar bears disappearing from key region

A key polar bear population fell nearly by half in the past decade, a new U.S.-Canada study found, with scientists seeing a dramatic increase in young cubs starving and dying.

Climate agreement to have big impact on China

China must make significant investments now to meet the targets of last week's agreement with the United States on greenhouse gas emissions, a senior US official said Monday, predicting a big impact on its economy.

Facebook At Work talk puts pressure on LinkedIn

Shares in LinkedIn dived on Monday as talk spread of plans by Facebook to step into its turf with a version of the leading social network tailored for the business world.

Feds say Web privacy firm deceived consumers (Update)

Federal regulators said a respected Internet privacy company gave its seal of approval to commercial websites and mobile apps but failed to check whether they were indeed meeting standards for safeguarding customers' data.

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