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Human bodies produce 2 billion metric tons of CO2 a year just by staying alive

ScienceDailySaturday, November 7, 2026 at 10:00 AM

RedScroll Brief

Human bodies produce 2 billion metric tons of CO2 a year just by staying alive
Image via ScienceDaily

Humans collectively produce more than 2 billion tonnes of carbon dioxide annually just by turning food into energy, a 74% increase over three decades largely driven by population growth.

RedScroll Signal

Impact
High
Category
Science
Market relevance
None
Why it matters
Scientific signal separates durable discovery from noise — and often foreshadows policy and product. Humans collectively produce more than 2 billion tonnes of carbon dioxide annually just by turning food into energy, a 74% increase over three decades largely driven by population growth.

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RedScroll Briefing

Extractive editorial brief — not a reprint of the original

What happened

Humans collectively produce more than 2 billion tonnes of carbon dioxide annually just by turning food into energy, a 74% increase over three decades largely driven by population growth.

Why it matters

Scientific signal separates durable discovery from noise — and often foreshadows policy and product.

Background

ScienceDaily reported on this under science. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.

Timeline

  1. ScienceDaily published: Human bodies produce 2 billion metric tons of CO2 a year just by staying alive

  2. Story is in today’s RedScroll edition. Follow the original source for updates.

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Source

ScienceDaily

Original reporting by ScienceDaily. RedScroll provides an extractive briefing only.