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This video sets aside doomsday alarmism and political axe-grinding to look at the science behind the history of climate change on earth. An examination of early Viking colonies on Greenland, wiped out by a period of global cooling, enables scientists to draw important conclusions about our current phase in the climate cycle. What we learn in this program is that earth’s climate is always changing – from The Middle Ages and the “Little Ice Age” to the modern warming that has been going on since 1850 (well before human-generated CO2 began increasing in our atmosphere).

Dr. Willie Soon, an Astrophysicist from the Harvard-Smithsonian Center for Astrophysics and Dr. David Legates, a Climatologist from the Center from Climate Research at the University of Delaware provide an easy-to-follow review of current climate science, which suggests that the sun’s irregular patterns and other natural forces are the major sources of climate change.

100,000-Year Climate Pattern Linked To Sun’s Magnetic Cycles (Science Daily)

http://www.sciencedaily.com/releases/2002/06/020607073439.htm

Changes In Sun’s Intensity Tied To Recurrent Droughts In Maya Region (Science Daily)

http://www.sciencedaily.com/releases/2001/05/010518083117.htm

Cosmic Rays Linked To Global Warming (Science Daily)

http://www.sciencedaily.com/releases/2002/07/020731080631.htm

Evidence For Sun-climate Link Reported By UMaine Scientists (Science Daily)

http://www.sciencedaily.com/releases/2005/01/050111175828.htm

Flares From Sun’s Far Side May Affect Space Weather Of Inner Planets (Science Daily)

http://www.sciencedaily.com/releases/2007/08/070824131445.htm

Greater Solar Activity May Bring United States More Gray Days (Science Daily)

http://www.sciencedaily.com/releases/2001/07/010716112433.htm

Holes In Sun’s Corona Linked To Atmospheric Temperature Changes On Earth (Science Daily)

http://www.sciencedaily.com/releases/2000/03/000315080417.htm

NASA Study Finds Increasing Solar Trend That Can Change Climate (Science Daily)

http://www.sciencedaily.com/releases/2003/03/030321075236.htm

New Analysis Shows Earth’s Lower Stratosphere In Synch With Solar Cycle (Science Daily)

http://www.sciencedaily.com/releases/1998/02/980212184713.htm

New Experiment To Investigate Effect Of Galactic Cosmic Rays On Clouds And Climate (Science Daily)

http://www.sciencedaily.com/releases/2006/10/061023193345.htm

Northern Climate, Ecosystems Driven By Cycles Of Changing Sunlight (Science Daily)

http://www.sciencedaily.com/releases/2003/09/030926070112.htm

Regional Variation In Warming From Sun During Solar Cycle Shown By Satellite (Science Daily)

http://www.sciencedaily.com/releases/2007/11/071113142105.htm

Scientists Determine Biological And Ecosystem Changes In Polar Regions Linked To Solar Variability (Science Daily)

http://www.sciencedaily.com/releases/2003/09/030929054445.htm

Sun’s Direct Role In Global Warming May Be Underestimated, Duke Physicists Report (Science Daily)

http://www.sciencedaily.com/releases/2005/10/051001100950.htm

Sun’s Past Strength Took Toll On Tropical Glaciers, Worsens Today’s Outlook (Science Daily)

http://www.sciencedaily.com/releases/2006/05/060531164947.htm

Surface Warming And The Solar Cycle (Science Daily)

http://www.sciencedaily.com/releases/2007/08/070801174450.htm

The Sun’s Chilly Impact On Earth (Science Daily)

http://www.sciencedaily.com/releases/2001/12/011210164606.htm

The Sun Is More Active Now Than Over The Last 8000 Years (Science Daily)

http://www.sciencedaily.com/releases/2004/10/041030221144.htm