Earth’s Climate in the Past – Variations in Temperature /Sunspots
IPPC - Natural Causes of Ice Ages and Climate Change
Univ. of California San Diego - Sun Cycles and Climate Change
HowStuffWorks - Climate Skeptics
Current Climate Compared to Past Climate - FAQ
EPA - Earth's Climate in the Past
Fox News - UN Admits Solar Activity Plays Role in Global Warming
GeoCraft - Global Warming
NY Post - Global Warning Proof is Evaporating
NOAA - Ice and Climate Before the Industrial Revolution
Scientific American - Sun Spots and Solar Winds
Sunspots and Climate Change
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Earth’s Climate in the Past – Glacial Advances and Retreats
IPPC - Natural Causes of Ice Ages and Climate Change
NOAA - Ice and Climate Before the Industrial Revolution
HowStuffWorks - Climate Skeptics
GeoCraft - Global Warming
Univ. of Michigan – Past Climates on Earth
Lake Powell - Paleoclimatology
NOAA – Glacial – Interglacial Cycles
Information Daily –Global Warming Earth’s Natural Cycle
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