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Human-caused climate change is unmistakably distinct from Earth’s natural climate variability
Five independent fits across four independent archives and 66 million years — the empirical case in two figures
Apr 6
•
Dean Rovang
74
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Unprecedented in 66 Million Years — and Here Is the Evidence
Strengthening the canonical diagram with Judd data points and a three-dataset cross-check of the ice age record
Mar 30
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Dean Rovang
17
19
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Today’s Combination of CO₂ and Temperature Is Unprecedented in 66 Million Years
How One Diagram Reveals the Climate Change Story
Mar 14
•
Dean Rovang
2
5
New Mexico’s Transition to Clean Electricity — 2025 Update
New Mexico continues to be among the leaders for wind and solar
Feb 25
•
Dean Rovang
Climate Change in the Context of Deep Time
The cumulative weight of evidence—from modern direct measurements to deep-time proxy reconstructions
Feb 17
•
Dean Rovang
Why I believe climate change is real, serious, and caused by humans
We are conducting an unprecedented experiment — and Earth is the laboratory
Feb 2
•
Dean Rovang
5
A Pattern Worth Remembering
How societies respond when science reveals unintended harm
Jan 18
•
Dean Rovang
Why We Keep Talking Past Each Other About Science and Belief
For those who accept science but still feel lost in the conversation
Jan 14
•
Dean Rovang
1
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Staying Curious
Reflections on climate, energy, and staying curious about science.
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