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Global Climate Change

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Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.

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Related Experiment Video

Updated: Mar 7, 2026

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.

Published on: June 4, 2021

Democratizing climate change mitigation pathways using modernized stabilization wedges.

Nathan Johnson¹, Iain Staffell¹

¹Centre for Environmental Policy, Imperial College London, London, UK.

Science (New York, N.Y.)

|March 5, 2026

Summary

This summary is machine-generated.

A modernized wedge framework offers over 6 trillion personalized climate change mitigation pathways. This approach empowers individuals to create custom decarbonization plans beyond cost-optimization, fostering broader societal engagement.

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Area of Science:

Climate Science
Environmental Policy
Decision Analysis

Background:

Climate change mitigation necessitates broad societal engagement.
Integrated assessment models (IAMs) offer cost-optimal pathways but lack customization for individual preferences.
The stabilization wedge framework simplified decarbonization discussions but required modernization.

Purpose of the Study:

To modernize the stabilization wedge framework for personalized climate change mitigation.
To identify and quantify strategies for significant emissions reduction by 2050.
To compare IAM-favored strategies with a broader set of options.

Main Methods:

Developed a modernized framework with 36 distinct mitigation strategies.
Quantified the deployment scale for each strategy to achieve 4% global emissions mitigation by 2050.
Assessed strategy prioritization within existing Integrated Assessment Models (IAMs).

Main Results:

Identified 36 strategies, each capable of mitigating 4% of global emissions by 2050.
Generated over 6 trillion unique, personalized decarbonization pathways to limit warming to 1.5°C.
Found IAMs prioritize technological solutions over behavioral and nature-based strategies, with low agreement.

Conclusions:

The modernized framework enables personalized decarbonization pathway construction, exceeding 6 trillion combinations.
This approach empowers the public to engage in informed debates about climate solutions beyond cost.
It highlights a divergence between IAMs' technological focus and a broader spectrum of effective mitigation strategies.