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Scientific controversy
Climate change hoax / exaggerationAtlas
Environment & Climate · Climate change narratives
Competing accounts of whether mainstream climate assessments rest on multi-line evidence of human-driven warming or mainly widen projected impacts through model and funding incentives.
Open the caseIPCC2
- Official · News coverage links U.S. political conflict over IPCC participation to the panel’s assessments that humans are the dominant cause of recent warming.
- Documented · The IPCC publishes multi-author assessment reports on climate science and impacts.
Climate change denial1
- Documented · Peer-reviewed and academic literature analyzes climate change denial, skepticism, conspiracy beliefs, and disinformation as factors that can obstruct mitigation policy.
James Inhofe1
- Documented · Senator James Inhofe delivered a major U.S. Senate speech arguing that catastrophic global warming alarmism was not based on objective science.
National Security Archive1
- Documented · A National Security Archive briefing book presents declassified records of Nixon-era internal U.S. government discussion of carbon dioxide and climate risk.
NOAA1
- Documented · NOAA and NASA publish public climate observation and indicator products.
Sabin Center for Climate Change Law1
- Documented · The Sabin Center for Climate Change Law has publicly argued that a U.S. Department of Energy report includes false claims about climate change.
Other6
- Documented · EPA regulatory materials reference greenhouse-gas findings in rulemaking contexts.
- Documented · Public debate includes both assessment-aligned and strongly dissenting scientific voices.
- Documented · University and policy programs discuss climate-risk whistleblowing as a category for people who allege suppression, distortion, or misuse of climate-related evidence or finance.
- Contested · Legal and academic commentary has debated whether organized climate-change denial or deceit should be treated as potentially criminal rather than solely as protected advocacy.
- Contested · Public compilations of climate controversies list ongoing disputes over scientific details, attribution strength, model reliability, and policy responses.
- Contested · Some published scientific correspondence has asserted that many climate researchers do not agree that global warming is occurring, a claim that sits inside a wider dispute over the extent of expert consensus.