Slashing plane emissions a lofty goal, but progress elusive

The aircraft industry is facing growing criticism over greenhouse gas emissions that are set to soar as more people take to the skies, but experts say game-changing technology for cleaner planes is still decades away.

Seaweed feed additive cuts livestock methane but poses questions

Supplementing cattle feed with seaweed could result in a significant reduction in methane belched by livestock, according to Penn State researchers, but they caution that the practice may not be a realistic strategy to battle ...

Progressive climate policy poised to pass in Oregon

Oregon is on the precipice of becoming the second state after California to adopt a cap-and-trade program, a market-based approach to lowering the greenhouse gas emissions behind global warming.