Changes

The '''controversy over the science of [[global warming]]''' is mainly over the extent of [[human]] contribution to warming, as well as a dispute over predictions of near-future warming and its effect on human beings and the environment.

The '''controversy over the science of [[global warming]]''' is mainly over the extent of [[human]] contribution to warming, as well as a dispute over predictions of near-future warming and its effect on human beings and the environment.

Among registered U.S. voters, opinion is split neatly down the middle, with 75% of Democrats believing that "the science is settled" in favor of the view of the [[IPCC]], and 73% of Republicans believing that there is no scientific consensus.  Both main party candidates for president in 2008 election, [[John McCain]] and [[Barack Obama]], have stated publicly that the issue is real and urgent.

Among registered U.S. voters, opinion is split neatly down the middle, with 75% of Democrats believing that "the science is settled" in favor of the view of the [[IPCC]], and 73% of Republicans believing that there is no scientific consensus.  Both main party candidates for president in the 2008 election, [[John McCain]] and [[Barack Obama]], have stated publicly that the issue is real and urgent.

In any event, it is important to remember that public opinion does not change the physical reality. Even if 100% of people of both parties believe don't believe climate change is primarily caused by human emissions of greenhouse gases, if the reality is that this is the case, then public opinion to the contrary does not change that fact, and vast amounts of money could be spent in dealing with the consequences of climate change. The Stern Review<ref>[http://www.hm-treasury.gov.uk/newsroom_and_speeches/press/2006/press_stern_06.cfm  

In any event, it is important to remember that public opinion does not change the physical reality. Even if 100% of people of both parties believe don't believe climate change is primarily caused by human emissions of greenhouse gases, if the reality is that this is the case, then public opinion to the contrary does not change that fact, and vast amounts of money could be spent in dealing with the consequences of climate change. The Stern Review<ref>[http://www.hm-treasury.gov.uk/newsroom_and_speeches/press/2006/press_stern_06.cfm