Last Time The World Was Warm

A Return to Pliocene Conditions

William House
Apr 13 · 6 min read
Savanna Lands (Modified by ArcheanWeb) — Original Credit: By Vincent Mugaba — Own work, CC BY-SA 4.0, Wikimedia Commons

Contemplating history is necessarily relative to your frame of reference. Atmospheric carbon dioxide (CO2) levels and global average temperatures are the highest in recorded history — a time frame covering the last 5,000 years. But 5,000 years represents a mere 0.0001% of Earth’s history. All of human history is a drop in the bucket of our planet’s history…