Earlier this year, scientists at the NOAA Mauna Loa Observatory in Hawaii announced a major threshold in the Earth system had been crossed: the concentration of the greenhouse gas carbon dioxide in Earth’s atmosphere has now passed a level not seen in the last 3 million years.
Who can forget this past February's record low evening
temperatures and burst water pipes? According to the National
Oceanic and Atmospheric Administration, we should prepare for more
of the same this winter.