According to scientists reporting at the meeting in Copenhagen, global warming is happening faster than they thought, and the changes could be irreversible (Earth warming faster than thought By Matt McGrath BBC environment reporter, http://news.bbc.co.uk/go/pr/fr//2/hi/science/nature/7940532.stm, Published: 2009/03/12 19:17:14 GMT, © BBC MMIX).
This could bring on a loss of 75% Amazonian tree cover within a century, and sea level rise that will make areas uninhabitable and cause mass migrations of millions of people (ibid). "Within a century" sounds far away, but if we continue to use fossil fuels at this rate, without changing to an alternative energy, the pace of global warming could quicken, increasing the risks. Don't we want to be the generation that helps halt global warming? We can do it. For more information about emissions-free energy, please see www.terrahumanafoundation.org.