After years of decline, US carbon dioxide emissions increased slightly last year, according to a new report by the US Energy Information Administration.
That said, America is still a little better than the world's worst polluter: China.
The 2 percent jump in CO2 emissions in the United
States was largely the result of higher natural gas prices last year,
which prompted some utilities to switch back to a dirtier energy source —
coal, according to The Washington Post.
Read more: Dirty deeds: The world's biggest polluters by country | GlobalPost
