Regardless of whether or not man-made carbon emissions cause global warming, Australia still urgently needs to examine alternative energy sources, argues marine scientist, Dr Walter Starck.Over the past century, carbon dioxide (CO2) in the atmosphere may have increased from around 3/100ths of 1 per cent to about 4/100ths of 1 per cent, and average global temperature may have increased by about 0.6°C.I say “may have”, because both figures are derived from complex statistical treatme…
