Ambitious and credible pledges

Article Multidisciplinary Sciences

Realization of Paris Agreement pledges may limit warming just below 2 °C

Malte Meinshausen et al.

Summary: Over the past five years, many countries have submitted their new or updated mitigation goals for 2030, with some also making longer-term pledges. A study suggests that if all these pledges are fully implemented and on time, warming can be kept just below 2 degrees Celsius. However, achieving this goal will require urgent and significant emission reductions in this decade, leading to global net-zero CO2 emissions by the mid-century.

NATURE (2022)

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Article Environmental Studies

Definitions and accounting of climate finance: between divergence and constructive ambiguity

Igor Shishlov et al.

Summary: This article discusses the issues regarding the definition of climate finance, emphasizing the differences in estimates for achieving the climate finance goals in the absence of a clear definition. It also analyzes the key dimensions that influence the definition and accounting, highlighting the importance of consensus among parties under the Paris Agreement.

CLIMATE POLICY (2022)

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Article Environmental Sciences

Determining the credibility of commitments in international climate policy

David G. Victor et al.

Summary: This study investigates the determinants of the credibility of national commitments under the Paris Agreement, based on surveys with experienced climate policy professionals. The findings reveal that countries making bolder commitments are also viewed as more credible, contrary to theoretical predictions. The quality of national political institutions is identified as the most important factor influencing credibility, with Europe having exceptionally high credibility.

NATURE CLIMATE CHANGE (2022)

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Editorial Material Multidisciplinary Sciences