WASHINGTON — The global output of heat-trapping carbon dioxide jumped by the biggest amount on record, the U.S. Department of Energy calculated, a sign of how feeble the world’s efforts are at slowing man-made global warming. The new figures for 2010 mean that levels of greenhouse gases are higher than the worst case scenario outlined by climate experts just four years ago.
COLUMBUS — State officials are seeking federal money to test whether crude oil can be drawn from old Ohio oil fields by pumping carbon dioxide from power plants and other sources into the ground — a process that has drawn concern from environmentalists.
Nuclear plant operators trying to avoid complete reactor meltdowns said Thursday that they were close to completing a new power line that might end Japan’s crisis, but several ominous signs have also emerged: a surge in radiation levels, unexplained white smoke and spent fuel rods that U.S. officials said could be on the verge of spewing radioactive material.