Changes

Temperatures have been decreasing rapidly throughout this decade (as of 2009).  Historically, natural periods of global warming and global cooling have alternated, and not long ago liberals were demanding more government control to combat an alleged cooling in temperatures.

Temperatures have been decreasing rapidly throughout this decade (as of 2009).  Historically, natural periods of global warming and global cooling have alternated, and not long ago liberals were demanding more government control to combat an alleged cooling in temperatures.

The unsuccessful Democratic candidate for President in 2000, [[Al Gore]], won a [[Nobel Prize]] in 2007 for claiming that there is a dangerous man-made global warming that threatens the world.  Neither he nor his supporters admit that a rapid cooling in temperatures is being observed.  

The unsuccessful Democratic candidate for President in 2000, [[Al Gore]], won a [[Nobel Prize]] in 2007 for claiming that there is a dangerous man-made global warming that threatens the world.  Neither he nor his supporters admit that a rapid cooling in temperatures is being observed. In 2007 the Republican presidential candidate Senator [[John McCain]] called global warming "an issue we can no longer afford to ignore". <ref>[http://www.ontheissues.org/domestic/John_McCain_Environment.htm]</ref>

==The science of global warming==

==The science of global warming==