The threat of global climate change due to increased anthropogenic emissions of greenhouse gasses has become one of the defining environmental issues of the twenty-first century. At the same time, the scientific community, policy makers and the general public have become aware that even in the absence of anthropogenic factors the climate is prone to significant shifts due to natural causes. A tangible driver of this concern is the fact that global temperatures have increased by 0.76°C since the mid-nineteenth century and 11 of the 12 years between 1995 and 2005 were the warmest since 1850, the year when widespread reliable records become available (IPCC 2007). It is fair to say that humanity is feeling the heat of climate change. ...
Global Climate Change
Global climate change