Climate Fact-Check October 2025

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ClimateRealism

Guest Post by: The Committee for a Constructive Tomorrow, The Heartland Institute, the Competitive Enterprise Institute, the Energy & Environmental Legal Institute, and the International Climate Science Coalition, and Truth in Energy and Climate.

Editor’s note: This summary serves as a fact check on the top false claims made about climate change by the media in October 2025. 

Debunking false claims about disappearing islands, coral reefs, hot cities, monsoons, & hurricanes!

An article overview discussing the impact of climate change on Europe's natural resources, with claims and fact checks about historical droughts and water management issues.
Graph displaying historical climate data over the years, indicating wet and dry periods in relation to significant historical events.
Links: Reuters article, megadrought data, Renaissance Drought data, data from the 1920s and 1940s.
Graph depicting all India summer monsoon rainfall anomalies from 1871 to 2023, showing variations in rainfall patterns over the years.
Links: Phys.org post, Historical monsoon data, beneficial monsoon claims, Gondwana Research study.
A fact check article summarizing false claims regarding climate change, highlighting the urban heat island effect as a key factor in rising city temperatures.
Links: The Guardian articleJournal of Applied Meteorology and Climatology study.
A chart showing the hard coral cover percentage of the Great Barrier Reef from 1986 to 2025, illustrating fluctuations over the years with a notable increase in 2022 and 2024.
Links: The Hill article, fertilizer runoffexposure to ultraviolet radiationlocalized sea level change, 2019 Nature paper, Great Barrier Reef coral cover.
Satellite images comparing the land area of Tuvalu in 1971, 1984, and 2014, highlighting changes in island size.
Links: Al Jazeera’s article, Tuvalu land area.
Graph showing the 15-year ratio of major hurricanes to all hurricanes in the North Atlantic from 1860 to 2000, with a black line indicating recorded data and a shaded area representing the 95% range on adjusted data.
Links: NBC Connecticut articleClimate Shift Index1935 Labor Day Hurricane, Atlantic basin data, Nature Communications dataIPCC AR6.
A graph showing Massachusetts cranberry production from 1991 to 2024, highlighting fluctuations in the number of barrels produced annually.
Links: Inside Climate News article, USDA data on Wisconsin, USDA data on Massachusetts.

Until next month, enjoy these and other great climate fact checks at:

ClimateRealism.com
• Tell the Truth, The Guardian and NBC, High Weather Disaster Costs Aren’t Due to Climate Change
• Coral Recoveries and Growth Show The Hill Is Misleading About Global Warming Killing Reefs
• False, Yahoo News, Cape Coral Isn’t Sinking

ClimateDepot.com
• Wash Post frets about ‘Your diet’s impact on the planet’ – Demands you watch your ‘Carbon Hoofprint’ & avoid beef
• The Trump Effect = UN COP FLOP! 100 countries stall on ‘climate targets’ ahead of COP30 — As Trump is pushing world leaders to abandon the climate fight
• STOP BREATHING, ASTHMATICS: CNN Rails Against ‘Climate Pollution from Inhalers’ – ‘Substantial contributors to planet-warming pollution’

Wattsupwiththat.com
• Bill Gates Walks It Back: Disaster Isn’t Imminent
• Shock New Report Lays Out the Full Scale of Environmental Damage Caused by Onshore Wind Turbines
• Antarctic Amundsen-Scott Station Sees Coldest October in 44 Years…Mainstream Media Silent!

Originally posted at JunkScience.com, reposted with permission.


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