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Top 25 Earth, Environmental and Planetary Sciences Articles of 2024
This collection highlights the most downloaded* Nature Communications papers in Earth, environmental and planetary sciences published in 2024. Featuring authors from around the world, these papers highlight valuable research from an international community.
Molecular fossils from marine phytoplankton reveal a substantial decline in CO2 values over the past 15 million years and may support higher climate sensitivity than previously reported.
The study shows that the Florida Current, an important contributor to the Atlantic Meridional Overturning Circulation, has not declined as previously suggested, but remained steady over the past 40-years of observations.
Over 13 years, coastal Louisiana’s wetlands have been endangered by a sea-level rise rate comparable to what is expected later this century. While the rate may not persist over the next few decades, this natural experiment indicates a 75% drowning of these wetlands by 2070 under current carbon emissions.
The first day with no sea ice in the Arctic will be a visible sign of climate change. This work reveals that this could occur before 2030 already and becomes more likely as the world warms. As the ice thins, the triggers are extreme weather events.
Microbes and viruses inhabit the subseafloor crust beneath hydrothermal vents. Here the authors show that vent endemic animals such as giant tubeworms also live in vent subseafloor cavities, implicating subseafloor dispersal of vent larvae and the need to protect seafloor and subseafloor vent habitats.
The authors disentangle uncertainty in rainfall projections, revealing regions where multiple global climate models agree on future drying and wetting patterns with implications for one to two thirds of the world’s population.
This study presents an unprecedented analysis of agricultural land multi-degradation in 40 European countries, using twelve dataset-based processes that were modelled as land degradation convergence and combination pathways across the continent.
This study shows that conserving approximately half of global land area through protection or sustainable management could provide 90% of ten of nature’s contributions to people and could meet representation targets for 26,709 species of mammals, birds, amphibians, and reptiles. This finding supports recent commitments to conserve at least 30% of global lands and waters by 2030.
Here the authors find one third of global sub-basins will face severe clean water scarcity in 2050. Nitrogen pollution aggravates water scarcity in >2,000 sub-basins thus 3 billion more people will be posed with severe water scarcity in 2050.
AI reduces building energy and emissions in design/construction, equipment, occupancy, and control/operation. By accelerating high-efficiency and net-zero buildings, AI could cut energy and emissions by 40-90% by 2050 combined with adequate policies.
Restoring tree cover is a prominent climate solution but can cause global warming due to changes in albedo. This paper maps albedo and carbon changes from restoring tree cover to highlight where the greatest net climate benefits can be achieved.
Cenozoic deep-sea hiatuses reveal a ~2.4 Myr eccentricity signal corresponding to orbitally-forced intensification of deep-water circulation. The signal is disrupted by a chaotic orbital transition in the Solar System at about 56 Ma.
Loss of vegetation carbon from biodiversity loss could rival emissions from other sources such as land-use change. This creates a feedback where climate change increases biodiversity loss, leading to greater emissions and more climate change.
The record-breaking 2023 wildfire season in Canada ( ~ 15 Mha burned) was enabled by early snowmelt, drought, and extreme weather. It had profound impacts that included evacuation of >200 communities, millions exposed to hazardous smoke, and a strain on fire-fighting resources.
International initiatives set ambitious targets for ecological restoration. Here, the authors conduct a meta-analysis to quantify the impacts of ecological restoration on greenhouse gas emissions and find that forest, grassland, and wetland restoration reduce global warming potential.
Fire suppression removes less-extreme wildfires, concentrating fires under extreme conditions. The authors use model simulations to show how this “suppression bias” intensifies fire behavior and effects, beyond fuel accumulation and climate change impacts.
Engineering natural microbiomes for biotechnological applications remains challenging. Here, the authors present a combinatory top-down and bottom-up framework to engineer natural microbiomes for the construction of function-enhanced synthetic microbiomes.
In this Perspective, the authors discuss the importance of preventing zoonotic spillover to prevent pandemics. They highlight mechanisms by which environmental changes can enable spillover, identify ecological interventions for spillover prevention and suggest policy frameworks through which interventions can be implemented.
During a globally warmer-than-present period, ~128,000 years before present, enhanced melting of Arctic sea ice and freshwater export resulted in slowdown of the Nordic Sea deepwater formation and significant regional cooling.
A 1.5-fold gap exists in green space cooling adaptation between cities in the Global South and North. Enhancing urban green space quality and quantity offers vast potential for improving outdoor cooling adaptation and reducing its global inequality.
Existing models to estimate agroecosystem C cycle have large uncertainties. Here, the authors propose a knowledge-guided machine learning framework that improves C cycle quantification in agroecosystems by integrating process-based and machine learning models, and multi-source high-resolution data.
Chlorine isotopes reveal a two-phase salt deposition in the Mediterranean during the Messinian Salinity Crisis: an initial, brine-filled phase, followed by a rapid evaporative drawdown, causing a major ( ~ 2 km) sea-level drop.
A study shows the maximum techno-economically constrained CO2 storage rate is 16 GtCO2 yr-1 by 2050, with 60% reliant on the USA, highlighting geographical discrepancies with current IPCC projections. A more feasible benchmark is 5-6 GtCO2 yr−1.
Separating soil organic carbon into mineral-associated and particulate organic carbon enables a more accurate prediction of soil vulnerability to climate change. The authors generate the global atlas of stocks and turnover times of these two fractions.
Climate change could drive critical parts of the Earth system past tipping points, causing large-scale, abrupt and/or irreversible changes that harm societies. Here, the authors suggest that satellite remote sensing can play a unique role in helping manage these profound risks, by providing improved early warning of tipping points across scales.