Science Global carbon emissions to reach record high, say scientists (+video)

Worldwide emissions of carbon dioxide are projected to reach 44 billion tons, with the biggest polluters being India, China, the United States, and the European Union.

By , LiveScience Senior Writer

NASA/NOAA

Concentrations of carbon dioxide will surge to a new high in the atmosphere in 2014, scientists announced today in advance of the U.N. Climate Summit in New York City.