25 Result(s)
within
Johannes Emmerling
English
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Article
International ship** in a world below 2 °C
The decarbonization of ship** has become an important policy goal. While integrated assessment models (IAMs) are often used to explore climate mitigation strategies, they typically provide little information...
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Financing negative emissions leads to windfall profits and inequality at net zero
Funding large-scale negative emissions through a carbon market designed for traditional emission reduction strategies risks exacerbating long-term economic inequality. We suggest exploring alternative financin...
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Inequality repercussions of financing negative emissions
Negative emissions technologies are attracting the interest of investors in the race to make them effective and profitable. When deployed at scale, they will be financed through public funds, reducing the fisc...
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Open AccessIdentifying energy model fingerprints in mitigation scenarios
Energy models are used to study emissions mitigation pathways, such as those compatible with the Paris Agreement goals. These models vary in structure, objectives, parameterization and level of detail, yieldin...
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Open AccessSRM on the table: the role of geoengineering for the stability and effectiveness of climate coalitions
Geoengineering, including solar radiation management (SRM), has received increasing scrutiny due to the rise of climate extremes and slow progress in mitigating global carbon emissions. This climate policy opt...
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New damage curves and multimodel analysis suggest lower optimal temperature
Economic analyses of global climate change have been criticized for their poor representation of climate change damages. Here we develop and apply aggregate damage functions in three economic Integrated Assess...
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Open AccessIncreased energy use for adaptation significantly impacts mitigation pathways
Climate adaptation actions can be energy-intensive, but how adaptation feeds back into the energy system and the environment is absent in nearly all up-to-date energy scenarios. Here we quantify the impacts of...
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Land-based implications of early climate actions without global net-negative emissions
Delaying climate mitigation action and allowing a temporary overshoot of temperature targets require large-scale carbon dioxide removal (CDR) in the second half of this century that may induce adverse side eff...
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Net zero-emission pathways reduce the physical and economic risks of climate change
Mitigation pathways exploring end-of-century temperature targets often entail temperature overshoot. Little is known about the additional climate risks generated by overshooting temperature. Here we assessed t...
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Subjective Well-Being at the Macro Level—Empirics and Future Scenarios
We estimate the impact of a large number of determinants of subjective well-being (SWB) across 143 countries, and project SWB across macro-regions for different socio-economic scenarios. We focus on the 23% of...
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Integrated perspective on translating biophysical to economic impacts of climate change
Estimates of climate change’s economic impacts vary widely, depending on the applied methodology. This uncertainty is a barrier for policymakers seeking to quantify the benefits of mitigation. In this Perspect...
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Open AccessPersistent inequality in economically optimal climate policies
Benefit-cost analyses of climate policies by integrated assessment models have generated conflicting assessments. Two critical issues affecting social welfare are regional heterogeneity and inequality. These h...
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Climate thresholds and heterogeneous regions: Implications for coalition formation
The threat of climate catastrophes has been shown to radically change optimal climate policy and prospects for international climate agreements. We characterize the strategic behavior in emissions mitigation a...
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Open AccessImplications of various effort-sharing approaches for national carbon budgets and emission pathways
The bottom-up approach of the Nationally Determined Contributions (NDCs) in the Paris Agreement has led countries to self-determine their greenhouse gas (GHG) emission reduction targets. The planned ‘ratchetin...
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Open AccessTaking stock of national climate policies to evaluate implementation of the Paris Agreement
Many countries have implemented national climate policies to accomplish pledged Nationally Determined Contributions and to contribute to the temperature objectives of the Paris Agreement on climate change. In ...
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Reply to: Why fossil fuel producer subsidies matter
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A multi-model assessment of food security implications of climate change mitigation
Holding the global increase in temperature caused by climate change well below 2 °C above pre-industrial levels, the goal affirmed by the Paris Agreement, is a major societal challenge. Meanwhile, food securit...
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Author Correction: Energy investment needs for fulfilling the Paris Agreement and achieving the Sustainable Development Goals
In the version of ‘Supplementary Data 1’ originally published with this Article, the units for the ‘Capacity|Electricity|*’ variables in the ‘Non_Investment_Annual’ tab were incorrectly given as EJ/yr; they sh...
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Interaction of consumer preferences and climate policies in the global transition to low-carbon vehicles
Burgeoning demands for mobility and private vehicle ownership undermine global efforts to reduce energy-related greenhouse gas emissions. Advanced vehicles powered by low-carbon sources of electricity or hydro...
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Energy investment needs for fulfilling the Paris Agreement and achieving the Sustainable Development Goals
Low-carbon investments are necessary for driving the energy system transformation that is called for by both the Paris Agreement and Sustainable Development Goals. Improving understanding of the scale and natu...
