Atmospheric CO₂ Levels Now Mirror Those From 15 Million Years Ago—Why It Matters
Atmospheric carbon dioxide concentrations have risen to levels (about 420 ppm) that closely resemble those of the Miocene epoch 15 million years ago, a
July 14, 2026
Atmospheric carbon dioxide concentrations have risen to levels (about 420 ppm) that closely resemble those of the Miocene epoch 15 million years ago, a
July 14, 2026
Learn step‑by‑step how to read climate data accurately, avoid common pitfalls, and interpret trends with confidence.
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Explore the most important environmental indicators, why they matter, how they are measured, and what they reveal about the health of our planet.
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Explore mitigation, adaptation, and carbon removal strategies, from renewable energy to sustainable buildings, and learn how they work together to combat climate change.
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Discover how energy efficiency quickly cuts waste, saves money, and supports renewable energy, with practical steps for homes, industry, and policy.
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Discover how batteries, hydrogen and emerging technologies store renewable energy, power grids, and enable clean transportation.
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