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  • An article in Palaeogeography, Palaeoclimatology, Palaeoecology describes how high-productivity intervals during Oceanic Anoxic Event 2 were related to the influence of freshwater runoff.

    • Erin Scott
    Research Highlight
  • The links between modern collisional mountain belts and those preserved in the geological record are debated. This Review compares the Himalayan-Tibetan orogen with four ancient mountain belts and uses their similarities and differences to investigate the factors that control mountain building.

    • Owen M. Weller
    • Catherine M. Mottram
    • Alex Copley
    Review Article
  • Gerbrand Koren discusses how measurements of Δ17O in CO2 can improve estimates of photosynthesis and its response to environmental conditions.

    • Gerbrand Koren
    Tools of the Trade
  • Anthropogenic climate change and environmental deterioration are driving global degradation of coral reefs. This Review examines how the natural adaptive capacity of coral holobionts can be harnessed and expanded to counter the ongoing loss of coral reefs.

    • Christian R. Voolstra
    • David J. Suggett
    • Manuel Aranda
    Review Article
  • An article in Geophysical Research Letters develops a mathematical model to investigate the influence of saltwater intrusion on permafrost thaw.

    • Graham Simpkins
    Research Highlight
  • The Ganges–Brahmaputra–Meghna delta is home to more than 170 million people, but is vulnerable to sea level rise, subsidence and direct human disturbance. This Review examines geomorphic change in the delta and its broader impacts.

    • Amelie Paszkowski
    • Steven Goodbred Jr.
    • Jim W. Hall
    Review Article
  • The use of isotopes has provided key insights into the Earth system, but their use can be fraught with experimental and theoretical pitfalls. This Technical Review explains the use of and fractionation factors associated with hydrogen, carbon and oxygen isotopes in water cycle and CO2–carbonate–water system studies.

    • Claude Hillaire-Marcel
    • Sang-Tae Kim
    • Hans Christian Steen-Larsen
    Technical Review
  • The COVID-19 pandemic is exacerbating plastic pollution. A shift in waste management practices is thus urgently needed to close the plastic loop, requiring governments, researchers and industries working towards intelligent design and sustainable upcycling.

    • Xiangzhou Yuan
    • Xiaonan Wang
    • Yong Sik Ok
  • The transition to renewable energy will require a notable quantity of technology metals and materials; however, production of technology materials causes substantial environmental damage. This Review discusses the raw material extraction approaches that optimize technical performance and reduce environmental impact.

    • Robert Pell
    • Laurens Tijsseling
    • Phoebe Whattoff
    Review Article
  • An article in JGR Solid Earth identified that basalt-hosted megathrusts are not necessarily the nucleation source of large megathrust earthquakes.

    • Erin Scott
    Research Highlight
  • An article in Climatic Change outlines the economic benefits of proactive adaptation for US-based rail, road and coastal infrastructure.

    • Graham Simpkins
    Research Highlight
  • Earth sciences are fundamental to tackling climate change, natural hazards and the energy transition, yet universities worldwide are putting geoscience departments on the chopping block — right when they are needed most.

  • Grasslands provide key ecosystem services, but their protection is often ignored in sustainable policy. This Perspective describes grassland degradation and sets out the steps needed to protect these systems and promote their restoration.

    • Richard D. Bardgett
    • James M. Bullock
    • Hongxiao Shi
  • Tropical teleconnections can influence polar climates through the generation of stationary Rossby waves. This Review outlines the dynamics and impacts of long-term tropical–polar connections on the Antarctic climate, which include warming trends and ice mass loss in West Antarctica.

    • Xichen Li
    • Wenju Cai
    • Chentao Song
    Review Article
  • An article in Geochemistry, Geophysics, Geosystems established a soil gas monitoring approach to identify hydrogen-fertile regions in the Pyrenean foothills.

    • Erin Scott
    Research Highlight
  • Although the presence of ‘light’ elements (such as S, Si, O, C and H) can explain the core’s density deficit, the exact composition of the Earth’s core remains unknown. This Review explores the likely range of outer and inner core compositions and their implications.

    • Kei Hirose
    • Bernard Wood
    • Lidunka Vočadlo
    Review Article