Jan. 11, 2011: Scientists using NASA's Fermi Gamma-ray Space Telescope have detected beams of antimatter produced above thunderstorms on Earth, a phenomenon never seen before. Scientists think the antimatter particles were formed inside thunderstorms in
ppm at Nauna Loa 1960 315 1990 355 2010 390 ( < 1 promille på 50 år) Carbon dioxide levels measured at at Mauna Loa observatory in Hawaii jumped by 2.67 parts per million (ppm) in 2012 to 395ppm, said Pieter Tans, who leads the greenhouse gas measurement team for the US National Oceanic and Atmospheric Administration (NOAA). The record was an increase of 2.93ppm in 1998.
IPCC30 January 2014: The Intergovernmental Panel on Climate Change (IPCC) released the full and finalized report of Working Group I's contribution to the Fifth Assessment Report (AR5), titled ‘Climate Change 2013: The Physical Science Basis.' The report concludes that: warming of the climate system is unequivocal; human influence on the climate system has been the dominant cause; limiting climate change will require substantial and sustained emission reductions; and atmospheric greenhouse gas (GHG) concentrations, already at levels not observed in at least 800,000 years, will persist for centuries to come.