Incorrect
Energy Secretary Rick Perry incorrectly claims CO2 is not primary cause of climate change
Claim:
Most likely the primary control knob [on climate change] is the ocean waters and this environment that we live in.
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Source: CNBC, Rick Perry, 2017-06-19 -
-2Very lowBreitbart misrepresents research from 58 scientific papers to falsely claim that they disprove human-caused global warming
“This article grossly misinterprets open-access scientific papers by simply looking at graphs and entirely ignoring their meaning as explained by authors in the text.”
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InaccurateBreitbart falsely claims 58 studies refute human-caused global warming
Claim:
'Global warming' is a myth — so say 80 graphs from 58 peer-reviewed scientific papers published in 2017.
Source: Breitbart, James Delingpole, 2017-06-06 -
-2Very lowPlaying semantics, misleading Breitbart article downplays US contribution to climate change
“This whole post is based on semantics and basically one big strawman fallacy. The author is deliberately confusing air pollution from suspended particulate matter (as discussed in the WHO report) with pollution from carbon dioxide emissions (as discussed in the Reuters link and the Paris Agreement). Even though CO2 does not impact our health through “disease-causing pollutants that get into people’s lungs”, it does change our environment and the Earth’s climate, and in that sense does classify as a pollutant.”
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-2Very lowIn Paris Agreement op-ed, US Senator Ted Cruz misrepresents the costs and benefits of reducing greenhouse gas emissions
Sen. Cruz’s article cites a single report that assessed only the costs of climate actions, relying on a series of assumptions that maximized those estimated costs, and that excluded the benefits of avoided climate change and of renewable sources of energy.
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Misleading
Natural variability can not explain modern global warming, as Heartland Institute report claims
Claim:
Neither the rate nor the magnitude of the reported late twentieth century surface warming (1979–2000) lay outside normal natural variability.
Source: Heartland Institute, Craig Idso, Fred Singer, Robert Carter, 2026-03-25 -
IncorrectA lull in solar activity would have little effect on global temperatures; claims of “global cooling” are not based on science
Claim:
Forward projections of solar cyclicity imply the next few decades may be marked by global cooling rather than warming, despite continuing CO2 emissions.
Source: Heartland Institute, Craig Idso, Fred Singer, Robert Carter, 2026-03-25 -
InaccurateGlobal warming has not “ceased”, as Heartland Institute report falsely claims
Claim:
global warming ceased around the end of the twentieth century and was followed (since 1997) by 19 years of stable temperature
Source: Heartland Institute, Fred Singer, Robert Carter, Craig Idso, 2026-03-25 -
Flawed reasoning
CO2 is a greenhouse gas that caused warming during past climate changes, notably as a feedback amplifying other factors
Claim:
Increases in atmospheric CO2 followed increases in temperature. Therefore, CO2 levels could not have forced temperatures to rise.
Source: Heartland Institute, Fred Singer, Robert Carter, Craig Idso, 2026-03-25 -
1.2HighNew York Times series accurately describes research on Antarctic ice sheets and sea level rise, but highlights uncertain studies
“Generally scientifically sound, but caution should be displayed before basing discussion solely on a single modeling study, especially when it incorporates fundamentally different processes relative to other contemporary models.”
