Just talk to some scientists, maybe? Here's the Australian CSIRO's take: http://www.csiro.au/Outcomes/Climate/Understanding/State-of-the-Climate-2012.aspx http:

Just talk to some scientists, maybe? Here's the Australian CSIRO's take: http://www.csiro.au/Outcomes/Climate/Understanding/State-of-the-Climate-2012.aspx http://www.csiro.au/Outcomes/Climate/Understanding/State-of-... They produce a nifty State of the Climate report every so often, which is pretty easy to understand. There's one just been released, in fact: http://www.csiro.au/Outcomes/Climate/Understanding/%7E/media/8E59FBA4F8A94FE4B84F01E271226316.pdf http://www.csiro.au/Outcomes/Climate/Understanding/%7E/media... Disclaimer: I currently work for the Bureau of Meteorology in Melbourne - as a programmer though, not a scientist.