Changes
Climate
,:Earth's climate is presently in a period of long, slow recovery from the [[Little Ice Age]] that ran for 300 or so years and ended in about 1850. [http://www.heartland.org/full/24849]
:"On all time scales, there is very good correlation between [[Earth's temperature]] and natural celestial phenomena such changes in the brightness of the [[Sun]]."<ref> [http://www.canadafreepress.com/2006/harris061206.htm Scientists respond to Gore's warnings of climate catastrophe] - Canada Free Press</ref>
Factors to be taken into account in order to describe a climate include: