Readings from Mauna Loa show increased greenhouse gas emissions

Bad news for all inhabitants of the planet from which you're reading this blog post: data gathered by the National Oceanic and Atmospheric Administration at Mauna Loa, Hawaii, show that the amount of heat-trapping carbon dioxide in the air spiked in 2012, "making it very unlikely that global warming can be limited to another 2 degrees as many global leaders have hoped." The CO2 increase "reflects the world's economy revving up and burning more fossil fuels, especially in China."