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Fossil fuel combustion

The role of fossil fuel combustion in climate change, including its impact on greenhouse gas emissions.

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Jan 31, 2026
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How do isotopic signatures (carbon-13/carbon-12) show fossil fuel contributions to atmospheric CO2?

Isotopic ratios of carbon—principally the stable 13C/12C ratio expressed as δ13C—act as a fingerprint that reveals the addition of CO2 from fossil fuels because fossil carbon is consistently depleted ...

Feb 1, 2026

Is climate change real and if so, what causes it?

is real: a broad body of observational evidence shows Earth's average surface temperature and many climate indicators have risen in recent decades, and leading scientific assessments conclude human ac...