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  • As climate change impacts marine ecosystems, fish must migrate or adapt and eventually speciate to preserve their diversity. Research now shows that warming has coincided with reduced fish body size throughout evolutionary history, hindering both preservation strategies.

    • Joseph Flannery-Sutherland
    News & Views
  • Phylogenetic data over the past ~150 million years show smaller fish occurred in warmer waters, moved shorter distances at low speed and had low speciation rates. Fish moved faster and evolved quicker under periods of rapid change, with implications for movement and survival under climate change.

    • Jorge Avaria-Llautureo
    • Chris Venditti
    • Cristian B. Canales-Aguirre
    Article
  • Climate change is having a profound impact on modern agriculture and plant health. Now research suggests that while crop yields may increase at high latitudes in light of climate change, these gains could be severely impacted by parallel shifts in disease risk.

    • Diane G. O. Saunders
    News & Views
  • Litigation is growing in importance as a way to achieve mitigation and equity in the face of ongoing climate change. Research now shows that currently cases are not using the latest state-of-the-art attribution science, and doing so could improve causation determination.

    • Lindene E. Patton
    News & Views
  • Crop production and food security remain one of the primary concerns in a changing world. Research and comments in this issue highlight the various threats to our produce and the carry-over effects of food shocks.

    Editorial
  • The authors model the impact of future temperature changes on infection risk for 12 major crops from 80 fungal and oomycete plant pathogens. They find increased risk, as well as crop yield, at higher latitudes and predict major shifts in pathogen assemblages in the United States, Europe and China.

    • Thomas M. Chaloner
    • Sarah J. Gurr
    • Daniel P. Bebber
    Article
  • The authors show increased negative extremes in gross primary productivity in northern midlatitude ecosystems, particularly over grasslands and croplands, attributed to impacts of warm droughts. This highlights the vulnerability of terrestrial carbon sinks and food security to increasing extreme events.

    • David Gampe
    • Jakob Zscheischler
    • Wolfgang Buermann
    Article