The World Meteorological Organization says atmospheric concentrations of CO2 surged to a new record level in 2016. That puts even greater pressure for countries to cut carbon pollution to avoid catastrophic climate change.
Tropical forests are becoming net carbon producers, instead of carbon sinks
Scott Pruitt says there’s no proof that carbon dioxide pollution is causing the Earth to heat up. Well-established science — and a scientist who’s a fellow Republican — says that’s flat-out wrong.
Some advice for starting your own backyard ‘carbon farm’