NEW YORK, NY - OCTOBER 23, 2014: A health alert is displayed at the entrance to Bellevue Hospital October 23, 2014 in New York City. After returning to New York City from Guinea where he was working with Doctors Without Borders treating Ebola patients, Dr. Craig Spencer was quarantined after showing symptoms consistent with the virus.

A physician with Doctors Without Borders who returned to New York City after treating Ebola victims in West Africa tested positive for the virus on Thursday, setting off fresh fears about the spread of the disease.

Pro-democracy protesters sleep in a street in the Mongkok district of Hong Kong on October 23, 2014.

Will hold a straw poll on government proposals they had rejected earlier in the week.

Rig counts are starting to drop, but due to the long lead time for most oil projects, it could be a while before production begins to decline in a significant way.

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Amazon is opening a cloud computing center in Frankfurt.

German partyleader Simone Peter (2ndL), co-leader of the German Greens Party, attends a rallye of activists protesting against the expansion of nearby open-pit coal mines form a human chain from Germany into Poland on August 23, 2014 near Gross Gastrose, Germany.

Reached landmark deal to cut greenhouse gas emissions by 40% by 2030, compared with 1990 levels.

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