More from
Environment

• Carbon dioxide emissions reach record high

  Emissions of heat-trapping carbon dioxide reached an all-time high last year, further reducing the chances that the world could avoid a dangerous rise in global average temperature by 2020, according to the International Energy Agency, the energy analysis group for the world's most industrialized states.

• New study details mercury contamination in California sport fish

  SAN JOSE, Calif. - New findings from the first statewide study of contaminants in fish caught off the California coast show that methylmercury, a toxin that damages the nervous system of humans, was found in high concentrations in more than a third of the locations that researchers sampled.

• Beyond oil, can Alaska be tapped as a source for renewable energy?

  Alaska has massive hydro, wind, geothermal and other renewable resources, but the state's rural villages are chained to diesel and suffer oppressive energy costs they say threaten their existence. Lawmakers, energy experts and Native leaders said Thursday it's a dire problem with elusive solutions.