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Climate-change mitigation encompasses policies and activities intended to reduce the greenhouse gas forcing of the climate system. Key intervention points include: the reduction of greenhouse gas sources, for example by reducing deforestation; emissions, for instance low carbon energy generation; and enhancing greenhouse gas sinks, for example by changes in land use.
Industrial firms will need to reduce carbon dioxide emissions dramatically for the world to reach its climate change mitigation goals. Now, analysis shows that the economic and employment impacts of these reductions can vary widely, depending on which firms are targeted.
Our multi-model analysis of international shipping shows the potential for decreasing global annual emissions in the coming decades, up to a reduction of 86% by 2050. Drop-in biofuels, renewable alcohols and green ammonia stand out as the main substitutes for conventional maritime fuels.
Food systems are responsible for around one-third of global anthropogenic greenhouse gas emissions, and dish-level emissions are detailed end-use representatives of demand-side emissions. Low-carbon food consumption strategies are therefore linked to the Paris Agreement targets and might determine their achievement.
EU emissions trading system carbon prices have surged since 2017. Here the authors consider sources of this increase and note that increased foresight driven by stronger commitment to climate targets has played a role. Prices also run the risk of dropping if policy credibility is undermined.
A prudent strategy on carbon dioxide removal can minimize the risk of overestimating its potential and reduce mitigation costs, according to an integrated assessment model analysis of the relationship between uncertainties in carbon dioxide removal feasibility and climate sensitivity.
A consistency issue with the production of porous polymer-based radiative coatings can be a significant drop in the cooling performance when dried under humid conditions. This issue is efficiently resolved by adding polymer reinforcement.
Scaling up adoption of green technologies in energy, mobility, construction, manufacturing and agriculture is imperative to set countries on a sustainable development path, but that hinges on having the right workforce, argues Jonatan Pinkse.
Industrial firms will need to reduce carbon dioxide emissions dramatically for the world to reach its climate change mitigation goals. Now, analysis shows that the economic and employment impacts of these reductions can vary widely, depending on which firms are targeted.
Our multi-model analysis of international shipping shows the potential for decreasing global annual emissions in the coming decades, up to a reduction of 86% by 2050. Drop-in biofuels, renewable alcohols and green ammonia stand out as the main substitutes for conventional maritime fuels.
Food systems are responsible for around one-third of global anthropogenic greenhouse gas emissions, and dish-level emissions are detailed end-use representatives of demand-side emissions. Low-carbon food consumption strategies are therefore linked to the Paris Agreement targets and might determine their achievement.
As carbon capture and sequestration enter the mainstream, governments and developers grapple with the long-term liability for sequestered carbon. A multi-tiered framework with public–private sharing of risk can help promote the safe and timely deployment of this vital decarbonization technology.
Meeting the Paris Agreement targets requires deep emissions reductions supported by a scale-up in carbon dioxide removal. However, current country-reported mitigation pledges are off track to meet carbon dioxide removal needs, unless countries dramatically reduce emissions consistent with low-energy-demand scenarios.