trustmebro.to/r/…

✓ checked

trust me, bro:

here is the receipt.

the claim

Global warming causes the expansion of the tropical climate zone

the verdict

SUPPORTED

the evidence backs this

Recorded sources

5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that global warming causes the expansion of the tropical climate zone?

Yes. Multiple observational and climate modeling studies consistently demonstrate that global warming and rising greenhouse gas concentrations drive the poleward expansion of the Hadley circulation and the tropical climate zone.

Verdict: SUPPORTED · 5 sources for, 0 against · Last checked 5 Aug 2026

The analysis

The retrieved papers provide robust evidence from both historical observations and climate models (such as CMIP5 and CMIP6) indicating that global warming and greenhouse gas forcing cause the widening of the Hadley cells, which defines the expansion of the tropical climate belt. No papers refute this relationship.

Evidence for · 5

Hadley Cell Widening: Model Simulations versus Observations

2009

Global climate model simulations and observations indicate that the Hadley cell widens in response to global warming.

Get citation

Johanson, C. M. & Fu, Q. (2009). Hadley Cell Widening: Model Simulations versus Observations. doi.org. https://doi.org/10.1175/2008jcli2620.1

See more details

More for · 4

On the Discrepancies in Tropical Belt Expansion between Reanalyses and Climate Models and among Tropical Belt Width Metrics

2017

Climate simulations and reanalyses show robust historical and future expansion of the tropical belt via Hadley cell metrics in response to radiative forcings.

Get citation

Davis, N. & Birner, T. (2017). On the Discrepancies in Tropical Belt Expansion between Reanalyses and Climate Models and among Tropical Belt Width Metrics. doi.org. https://doi.org/10.1175/jcli-d-16-0371.1

Comparison of trends in the Hadley circulation between CMIP6 and CMIP5.

2020

Single-forcing climate model simulations demonstrate that increasing greenhouse gases cause widening of both Northern and Southern Hemisphere Hadley cells.

Get citation

Xia, Y., Hu, Y., & Liu, J. (2020). Comparison of trends in the Hadley circulation between CMIP6 and CMIP5.. doi.org. https://doi.org/10.1016/j.scib.2020.06.011

Exploiting the Abrupt 4 × CO<sub>2</sub> Scenario to Elucidate Tropical Expansion Mechanisms

2019

Abrupt CO2 simulations indicate that increased greenhouse gas concentrations drive the poleward shift of the Hadley cell edge, expanding the tropical belt.

Get citation

Chemke, R. & Polvani, L. M. (2019). Exploiting the Abrupt 4 × CO<sub>2</sub> Scenario to Elucidate Tropical Expansion Mechanisms. doi.org. https://doi.org/10.1175/jcli-d-18-0330.1

Recent and projected changes in climate patterns in the Middle East and North Africa (MENA) region.

2024

Projections under extreme climate scenarios show subtropical highs migrating poleward, consistent with the projected expansion of the Hadley cells due to warming.

Get citation

D, F. & R, F. (2024). Recent and projected changes in climate patterns in the Middle East and North Africa (MENA) region.. doi.org. https://doi.org/10.1038/s41598-024-60976-w

Related receipts

Is it true that cloud feedback effects on the climate will change as a result of global warming? SUPPORTED related question, same topic
Is it true that scientific evidence connects India's current climate with global warming? SUPPORTED related question, same topic
Is it true that global warming affects climate systems like ENSO and the MJO? SUPPORTED related question, same topic
Is it true that global climate change causes tropical cyclones to form in previously unaffected areas? SUPPORTED related question, same topic
Is it true that the logarithmic nature of global warming invalidates climate change claims? REFUTED related question, same topic
Is it true that Unadjusted NASA climate data shows no long-term global warming? REFUTED related question, same topic

What does the evidence say?

Receipt History

first checked05 Aug 2026

judged → SUPPORTED · 9005 Aug 2026

Anyone with this link can read the claim and its public receipt, including any personal information in that text. Open permanent receipt.

Check your own claim

Challenge the receipt

I have a source that contradicts this verdict I have a source that supports it No source: request a receipt review Requests are recorded for review. This does not start an automatic check or guarantee a response time.

See the evidence timeline

Citation formatting by citeproc-js (Frank Bennett) and the Citation Style Language project. Source and licenses.

This receipt is an automated verdict against our published method · not an opinion about any author or publication.
Terms · Privacy · How verdicts work