Challenge of climate change, post-Copenhagen

Are the world and human society in general ready and willing to take action on critical issues that require a major change in the manner in which we produce and consume goods and services?

The science of climate change is now well established. This is the result of painstaking work of over two decades carried out by thousands of scientists drawn from across the globe to assess every aspect of climate change for the benefit of humanity. The Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC) was produced in the year 2007, and highlighted, on the basis of careful observations extending over a long period of time, that “warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice and rising global average sea level.” It was also stated clearly that most of the “observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic GHG concentrations. It is likely that there has been significant anthropogenic warming over the past 50 years averaged over each continent (except Antarctica).”

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