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AI Roundtable Poll · 4 models

is climate change a hoax?

Result: Unanimous — No (4/4 votes)

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Model Responses

Grok 4.20

Vote: No

Climate change is backed by extensive scientific evidence from independent sources worldwide, including rising temperatures, CO2 measurements, and observable effects like sea level rise. Claims of it being a hoax ignore peer-reviewed data from organizations such as NASA and the IPCC. While policy responses can be debated, the underlying science confirming human-influenced climate change is robust and not fabricated.

GPT-5.4

Vote: No

Climate change is not a hoax. It is supported by multiple independent lines of evidence, including rising global temperatures, melting ice, sea level rise, shifting weather patterns, and well-established physical measurements of greenhouse gases. The basic mechanism is also straightforward: gases like carbon dioxide trap heat, and human activity has sharply increased their concentration since the industrial era. This is confirmed by atmospheric data, ocean heat content, satellite observations, and decades of research. There is still debate about the pace, regional effects, and best policy responses. But disagreement over details does not mean the underlying phenomenon is fake. Calling it a hoax ignores the breadth of scientific evidence and the broad consensus across major scientific institutions worldwide.

Claude Opus 4

Vote: No

Climate change is not a hoax. The overwhelming scientific consensus — supported by NASA, NOAA, the IPCC, and virtually every major scientific organization worldwide — confirms that Earth's climate is warming and that human activities, primarily the burning of fossil fuels, are the dominant cause. Multiple independent lines of evidence support this conclusion: rising global temperatures, shrinking ice sheets, glacial retreat, rising sea levels, ocean acidification, and increasing frequency of extreme weather events. These observations come from satellites, weather stations, ocean buoys, ice cores, and other instruments maintained by thousands of scientists across dozens of countries. The idea that climate change is a "hoax" would require a coordinated conspiracy among tens of thousands of researchers across every nation on Earth, spanning decades — an implausible scenario. Scientists are incentivized to challenge and disprove existing theories, not to maintain them without evidence. The scientific evidence is clear, reproducible, and publicly available for anyone to examine.

Gemini 3.1 Pro

Vote: No

The overwhelming consensus within the global scientific community is that climate change is real and significantly driven by human activities, primarily the emission of greenhouse gases. Decades of robust empirical data—including rising global temperatures, shrinking ice sheets, warming oceans, and increased frequency of extreme weather events—provide undeniable evidence of this phenomenon. Major scientific organizations worldwide, such as NASA, the Intergovernmental Panel on Climate Change (IPCC), and the World Meteorological Organization, consistently affirm the reality and urgency of climate change. Dismissing it as a hoax ignores rigorous scientific observation and the widespread, measurable impacts already affecting ecosystems and human communities globally.