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Claims Quote by William Happer

“With each passing year, experimental observations further undermine the claim of a large positive feedback from water. In fact, observations suggest that the feedback is close to zero and may even be negative.” quote by William Happer
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“With each passing year, experimental observations further undermine the claim of a large positive feedback from water. In fact, observations suggest that the feedback is close to zero and may even be negative.”

William Happer

About This Quote

Recent data suggest water’s climate feedback is minimal or possibly negative, contrary to earlier expectations.

In simple terms: Water’s climate impact may be tiny or negative.

Key Takeaway

Reevaluate climate models.

Themes

climate science feedback

Mood

analytical cautious

Type

scientific technical

When to use this quote

  • policy planning
  • environmental research
  • education

Key Concepts

uncertainty empiricism modeling

Questions to Reflect On

  • What implications does a near‑zero feedback have for climate policy?
  • How should scientists communicate uncertainty?
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