Socioeconomic scenarios articles within Nature Communications

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  • Article
    | Open Access

    Xu and colleagues find that the average trophic level of aquatic food items in the human diet is declining (from 3.42 to 3.18) because of the considerable increase in low-trophic level aquaculture species output relative to that of capture fisheries since 1976. Additionally they find that trade has contributed to increasing the availability and trophic level of aquatic foods in >60% of the world’s countries.

    • Kangshun Zhao
    • , Steven D. Gaines
    •  & Jun Xu

  • Article
    | Open Access

    This study finds that flood insurance policy design affects economic development in floodplains and, consequently, flood risk in Europe. Therefore, the authors advocate for flood insurance design to be integrated in climate change adaptation policy.

    • Max Tesselaar
    • , W. J. Wouter Botzen
    •  & Jeroen C. J. H. Aerts

  • Article
    | Open Access

    Englander and Costello note that African coastal waters are among the world’s most biologically rich, but African countries earn much less than their peers from selling access to foreign fishers. They find forming a “fish cartel" would increase African fish biomass by 16% and profits by 23%.

    • Gabriel Englander
    •  & Christopher Costello

  • Article
    | Open Access

    Food production, especially of animal products, is a major source of air pollutants. Here, the authors quantify the impacts dietary changes towards more plant-based diets could have for air quality, labour productivity, and human health.

    • Marco Springmann
    • , Rita Van Dingenen
    •  & Adrian Leip

  • Article
    | Open Access

    Meat and dairy alternatives are promoted for diet sustainability. Here, the authors use a modelling approach to show that replacing 50% of pork, chicken, beef and milk globally with plant-based alternatives can reduce GHG emissions by 6.3 Gt CO2eq year-1 and more than half biodiversity loss by 2050.

    • Marta Kozicka
    • , Petr Havlík
    •  & Noel Gurwick

  • Article
    | Open Access

    Conservation biologists have made calls for including human dimensions in wildlife conservation efforts. This quantitative synthesis of case studies from a global IUCN reintroduction program suggests that inclusion of local stakeholders in wildlife restoration programs boosts success rate.

    • Mitchell W. Serota
    • , Kristin J. Barker
    •  & Arthur D. Middleton

  • Article
    | Open Access

    The historical changes in country emissions of greenhouse gases and air quality pollutants are classified together as a function of economic development, providing valuable guidance to emission scenario development.

    • Kazuyuki Miyazaki
    •  & Kevin Bowman

  • Article
    | Open Access

    Habitat loss and climate change are widely acknowledged as drivers of wildlife population change, but socioeconomic impacts are relatively unexplored. This study explores drivers of population change in large carnivores and reveals that socioeconomic growth is more associated with population declines than habitat loss and climate change.

    • Thomas F. Johnson
    • , Nick J. B. Isaac
    •  & Manuela González-Suárez

  • Article
    | Open Access

    A historical reconstruction of water use in Egypt shows the change in relative use of Nile water versus virtual water import, especially in the highly consumptive agriculture sector. A range of future projections of water demand are offered based on several plausible socioeconomic scenarios.

    • Catherine A. Nikiel
    •  & Elfatih A. B. Eltahir

  • Article
    | Open Access

    Established climate mitigation modelling relies on controversial negative emissions and unprecedented technological change, but neglects to consider degrowth scenarios. Here the authors show that degrowth scenarios minimize many key risks for feasibility and sustainability and thus need to be thoroughly assessed.

    • Lorenz T. Keyßer
    •  & Manfred Lenzen

  • Article
    | Open Access

    Determining attractive response strategies for international climate policy is a complex task. Here, the authors develop a meta-model that disentangles the main uncertainties using full literature ranges and use it to directly compare the insights of the cost-minimising and cost-benefit modelling communities.

    • Kaj-Ivar van der Wijst
    • , Andries F. Hof
    •  & Detlef P. van Vuuren

  • Article
    | Open Access

    Temperature changes as a result of climate change are expected to impact electric capacity and investment. Here, the authors show that in the United States under socioeconomic pathway 2 and RCP 8.5 mean temperature rises will drive increased electricity demand (0.5-8%) by 2100, along increases in capital investments by 3-22%.

    • Zarrar Khan
    • , Gokul Iyer
    •  & Marshall Wise

  • Article
    | Open Access

    Not much is known about the joint relationships between social network structure, urban geography, and inequality. Here, the authors analyze an online social network and find that the fragmentation of social networks is significantly higher in towns in which residential neighborhoods are divided by physical barriers such as rivers and railroads.

    • Gergő Tóth
    • , Johannes Wachs
    •  & Balázs Lengyel

  • Article
    | Open Access

    Gender inequality increases vulnerability to climate change impacts and reduces societies’ adaptive capacity. Here the authors show how gender inequality may evolve in the future in five scenarios of socioeconomic development and highlight the importance of incorporating gender inequality in climate change research and policy.

    • Marina Andrijevic
    • , Jesus Crespo Cuaresma
    •  & Carl-Friedrich Schleussner

  • Article
    | Open Access

    Current inequality and market consumption modelling appears to be subjective. Here the authors combined all three axes of poverty modelling - Engel-Krishnakumar’s microeconomics, Aoki-Chattopadhyay’s mathematical precept and found that multivariate construction is a key component of economic data analysis, implying all modes of income and expenditure need to be considered to arrive at a proper weighted prediction of poverty.

    • Amit K. Chattopadhyay
    • , T. Krishna Kumar
    •  & Iain Rice

  • Article
    | Open Access

    Local human activities can lead to cross-border environmental impacts through the food–energy–water–CO2 nexus. Here, the authors report wide variations in environmental impacts of irrigated agriculture across counties within the North China Plain under different environmental and socioeconomic scenarios.

    • Zhenci Xu
    • , Xiuzhi Chen
    •  & Yunkai Li

  • Article
    | Open Access

    Climate action from local actors is vital in achieving nationally determined contributions under the Paris Agreement. Here the authors show that existing commitments from U.S. states, cities and business could reduce emissions 25% below 2005 levels by 2030, with expanded subnational action reducing emissions by 37% and federal action by up to 49%.

    • Nathan E. Hultman
    • , Leon Clarke
    •  & John O’Neill

  • Article
    | Open Access

    The environmental and socio-economic implications of the growth in welfare and trade in Asia-Pacific (APAC) remain unclear. Here the authors show that over the past two decades (1995–2015), owing to intraregional trade, the APAC economies have grown increasingly interdependent in natural resource use, air emissions, and labor and economic productivity.

    • Lan Yang
    • , Yutao Wang
    •  & Yuanbo Qiao

  • Article
    | Open Access

    Islands have disproportionate importance for biodiversity conservation, yet they may be underrepresented in protected areas. Here the authors assess how climate, geography, habitat diversity, and socio-economic conditions explain terrestrial and marine protected area coverage on inhabited islands and in the surrounding seas globally.

    • David Mouillot
    • , Laure Velez
    •  & Marc Troussellier

  • Perspective
    | Open Access

    Oceans provide important natural resources, but the management and governance of the ocean is complex and the ecosystem is suffering as a result. The authors discuss current barriers to sustainable ocean governance and suggest pathways forward.

    • Tanya Brodie Rudolph
    • , Mary Ruckelshaus
    •  & Philile Mbatha

  • Article
    | Open Access

    Here the authors develop a set of global, long-term, spatial projections of urban land expansion for understanding the planet’s potential urban futures. The global total amount of urban land increases by a factor of 1.8-5.9 over the 21st century, and the developed world experiences as much new urban development as the developing world.

    • Jing Gao
    •  & Brian C. O’Neill

  • Article
    | Open Access

    Shared socioeconomic pathways (SSPs) is a crucial scenario describing the potential of future socio-economic development. The authors here investigate long-term effects of various government policies suggested by different SSPs on urban land and reveal the impact of future urban expansion on other land and food production.

    • Guangzhao Chen
    • , Xia Li
    •  & Kangning Huang

  • Article
    | Open Access

    Greenhouse gas mitigation can involve land-use changes that alter the habitat available for wildlife. Here, Ohashi et al. perform an integrated assessment showing that climate mitigation can be beneficial for global biodiversity but may entail local biodiversity losses where land-based mitigation is implemented.

    • Haruka Ohashi
    • , Tomoko Hasegawa
    •  & Tetsuya Matsui

  • Article
    | Open Access

    There lacks model comparison of global land use change projections. Here the authors explored how different long-term drivers determine land use and food availability projections and they showed that the key determinants population growth and improvements in agricultural efficiency.

    • Elke Stehfest
    • , Willem-Jan van Zeist
    •  & Keith Wiebe

  • Article
    | Open Access

    Traditional studies of subjective well-being explain national differences using social and economic proxy variables. Here the authors build on this approach to estimate how global human well-being might evolve over the next three decades, and find that changes in social factors could play a much larger role than changes in economic outcomes.

    • Christopher Barrington-Leigh
    •  & Eric Galbraith

  • Article
    | Open Access

    There have been growing concerns about the exploitation of workers in the fisheries sectors. Here, Tickler et al. use a country-level metric of slavery to determine the risk of fisheries-level slavery across 20 countries, and find it rises as unreported catch increases and mean value of catch decreases.

    • David Tickler
    • , Jessica J. Meeuwig
    •  & Dirk Zeller

  • Article
    | Open Access

    Marine spatial planning is used to co-ordinate multiple ocean uses, and is frequently informed by tradeoffs and composite metrics. Here, Lester et al. introduce an approach that plans for multiple uses simultaneously whilst balancing individual objectives, using a case study of aquaculture development in California.

    • S. E. Lester
    • , J. M. Stevens
    •  & C. White

  • Article
    | Open Access

    The development of sustainable food systems requires an understanding of potential trade-off between various objectives. Here, Chaudhary et al. examine how different nations score on food system performance across several domains, including environment, nutrition, and sociocultural wellbeing.

    • Abhishek Chaudhary
    • , David Gustafson
    •  & Alexander Mathys

  • Article
    | Open Access

    The consequences of poverty eradication on limiting warming to 2 °C are not fully clear. Here, Hubacek et al. find that while ending extreme poverty does not jeopardize the climate target, moving everybody to a modest expenditure level increases required mitigation rate by 27%

    • Klaus Hubacek
    • , Giovanni Baiocchi
    •  & Anand Patwardhan

  • Article
    | Open Access

    The pledges put forward by each country to meet the goals of the Paris Agreement are ambiguous. Rogeljet al. quantify the uncertainty arising from the interpretation of these pledges and find that by 2030 global emissions can vary by −10% to +20% around their median estimate of 52 GtCO2e yr−1.

    • Joeri Rogelj
    • , Oliver Fricko
    •  & Keywan Riahi

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