Science Global carbon emissions to reach record high, say scientists

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.