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Biogas is promoted as an alternative fuel with the potential to lower net CO2 emissions. However, here the authors calculate that growing biogas feedstock crops on drained peatlands may produce three times more CO2 than burning natural gas.
The authors link a recent collapse of a commercially valuable snow crab stock to borealization of the Bering Sea that is >98% likely to have been human induced.
Just Energy Transition Partnerships (JETPs) are an important international initiative to address the urgent coal phase-out issue in emerging economies. Model-based assessment demonstrates JETPs for South Africa, Indonesia and Vietnam provide a promising route for achieving the 1.5 °C target.
Climate change is increasing ocean temperature, particularly in the surface waters. Here the authors show that accelerated surface warming in the North Pacific in the past decade is driven by shoaling of the ocean mixed layer with some dampening by increased latent heat loss from the ocean.
Addressing the consequences of climate change requires political attention and leadership. However, this study shows that apart from Green parties, political parties do not increase their attention to environmental issues following extreme weather events.
Hydrochlorofluorocarbons are important ozone-depleting substances. Here the authors show that the radiative forcing and equivalent effective chlorine from hydrochlorofluorocarbons has decreased in recent years, 5 years earlier than expected.
Carbon removal using carbon capture and storage (CCS) remains controversial. This study finds that cross-border CO2 transport would hinder public acceptance of CCS, associated with the perceived unfairness.
Most of the meteorites on the Earth’s surface are found in Antarctica. Here the authors show that ~5,000 meteorites become inaccessible per year as they melt into the ice due to climate change.
The authors conduct a systematic literature review on renewable energy expansion and biodiversity. Comparing renewable energy siting maps with the ranges of two threatened species under future climates, they highlight the potential conflict and need for consideration of climate-change-driven range shifts.
International trade of used vehicles lacks regulation on emissions standards. This study shows that vehicles exported from Great Britain generate substantially higher carbon and pollution emissions than scrapped or on-road vehicles.
The authors investigate the impacts of excluding ecosystem data from Russian stations in the Arctic. While the current network of Arctic stations is already biased, the exclusion of Russian stations lowers representativeness and creates further biases that can rival end-of-century climate change shifts.
The increase in atmospheric methane has been accelerating since 2007, and identifying drivers is critical for climate mitigation. In this study, the authors show that the expansion of rice cultivation in Africa accounts for 7% of rising emissions.
