Since 2007, scientists have been searching to find the cause of a sudden and unexpected global rise in atmospheric methane, a potent greenhouse gas, following almost a decade in which concentrations had stayed relatively constant.
Every two years, the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and the Australian Government Bureau of Meteorology (BoM) release a State of the Climate Report for Australia. State of the Climate 2016 is their fourth climate report. All State of the Climate reports (2016, 2014, 2012, and 2010) utilize global AGAGE data.
In 2016, an isolated scientific outpost in northwest Tasmania made a historic finding. The Cape Grim Baseline Air Pollution Station measured carbon dioxide levels in the atmosphere exceeding 400 parts per million.