Friends of Science Calgary

The Sun is the main driver of climate change. Not you. Not carbon dioxide.

Tag: Medieval Warm Period

Alligators in Alaska

Contributed by William Walter Kay BA LL B ©2019

60-to-50 million years ago (60-50 Ma) Earth’s surface temperatures averaged 10-to-15 degrees Celsius higher than present. Reduced temperature disparities between equatorial … Continue reading

Interglacial, or not interglacial? That is the question.

2.6 million years ago our planet decided that after about 300 million years of warm temperatures it was time to cool things down.  The following chart shows historic temperatures normalized … Continue reading

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