Research articles

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  • As cannabis production becomes legalized and legitimized, its production will likely change and expand with attendant environmental impacts. This life cycle analysis of energy and material costs across the United States focuses on indoor cannabis growing operations.

    • Hailey M. Summers
    • Evan Sproul
    • Jason C. Quinn
    Analysis
  • Amazonians are subject to climate shocks, but the associated health outcomes are still unclear. This study finds that rainfall variability is associated with adverse birth outcomes, especially for those most isolated and marginalized.

    • Erick A. Chacón-Montalván
    • Benjamin M. Taylor
    • Luke Parry
    Article
  • The conversion of methane to target one-carbon oxygenates relies on a two-step process that is carbon and energy intensive. Direct oxidation offers a sustainable alternative pathway. Here, the authors report on the selective photocatalytic oxidation of methane at room temperature using bismuth vanadate catalyst, realizing high methanol and formaldehyde selectivity.

    • Yingying Fan
    • Wencai Zhou
    • Zhiyong Tang
    Article
  • The use and growth of ride-sharing apps in recent years has changed urban transportation patterns. This article examines their impacts on congestion, mass transit ridership and private car ownership in North American cities.

    • Mi Diao
    • Hui Kong
    • Jinhua Zhao
    Article
  • The demands of sustainable energy supply and clean water production continue to drive membrane development. Here the authors design graphene oxide membranes intercalated with polyaromatic cations that not only exhibit sustained nanofiltration performance under realistic conditions but also are scalable for industrial applications.

    • Zhongzhen Wang
    • Chen Ma
    • Sankar Nair
    Article
  • Small hydropower plants are increasingly favoured. This study finds that these plants are decreasing river connectivity in Brazil more than larger dams, potentially harming migratory fish, and suggests future dam portfolios that result in less river fragmentation while delivering similar power.

    • Thiago B. A. Couto
    • Mathis L. Messager
    • Julian D. Olden
    Article
  • Wise management is critical to sustaining fisheries. This study finds that rebuilding plans, ratification of international agreements and harvest control rules yield strong benefits and that these are cumulative.

    • Michael C. Melnychuk
    • Hiroyuki Kurota
    • Ray Hilborn
    Analysis
  • A study of 177 forest user groups shows that these are more likely to self-organize to monitor rule compliance for forest management when the groups are larger, they design the rules and they are located either close to or far from markets.

    • Graham Epstein
    • Georgina Gurney
    • Graeme S. Cumming
    Analysis