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Credibility gap in net-zero climate targets leaves world at high risk
Joeri Rogelj1,2,3, Taryn Fransen4,5, Michel G J den Elzen6,7
1Centre for Environmental Policy, Imperial College London, London, UK.
Science (New York, N.Y.)
|June 8, 2023
Summary
Global climate targets may be missed. Analysis of enacted policies, rather than stated promises, reveals a significant gap between current actions and international climate goals.
Area of Science:
- Climate Science
- Environmental Policy Analysis
- International Relations
Background:
- International climate agreements set global targets.
- Assessing progress often relies on national pledges and promises.
- A gap exists between stated commitments and implemented policies.
Purpose of the Study:
- To evaluate the effectiveness of current climate policies.
- To compare policy implementation against stated climate targets.
- To identify potential shortfalls in achieving global climate goals.
Main Methods:
- Analysis of national climate policy documents and legislation.
- Quantitative assessment of policy impact on emissions reduction.
- Comparison of projected policy outcomes with international climate commitments.
Main Results:
- Current climate policies are insufficient to meet global targets.
- A significant gap exists between policy promises and actual implementation.
- Emissions reduction trajectories fall short of Paris Agreement goals.
Conclusions:
- Focusing on policies reveals a high risk of missing climate targets.
- Urgent policy strengthening and accelerated implementation are necessary.
- International cooperation on policy enforcement is critical for climate mitigation.
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