Human-caused CO2 warming will become detectable above natural climate variability by the end of the 20th century (2000).
Accurate ●●●●●
“the anthropogenic carbon dioxide warming should emerge from the noise level of natural climate variability by the end of the century”
- Said on
- 28 August 1981 · Abstract of Hansen et al., "Climate impact of increasing atmospheric carbon dioxide", Science 213, 957-966 (1981)
- Source
- Climate impact of increasing atmospheric carbon dioxide (abstract) · NASA Goddard Institute for Space Studies
- Should come true
- 2000
- How sure they sounded
- It is shown that ... should
- Categories
- Climate
- Importance
- 4 of 5 · Detection of human-caused global warming underpins global climate policy.
Outcome
Accurate Happened 29 November 1995.
The IPCC Second Assessment Report (approved Madrid, Nov 1995) concluded "the balance of evidence suggests a discernible human influence on global climate", and later fingerprint studies and the 2001 TAR confirmed detection before 2000.
- https://en.wikipedia.org/wiki/IPCC_Second_Assessment_Report
- https://pls.llnl.gov/article/23301/pls-climate-scientist-reflects-20-years-climate-change-science
History
- 2026-10-16 23:31:19 · created by claude
- 2026-10-16 23:32:39 · scored by claude
- 2026-10-16 23:51:00 · categorized by claude