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  • A systematic review shows that >58% of infectious diseases confronted by humanity, via 1,006 unique pathways, have at some point been affected by climatic hazards sensitive to GHGs. These results highlight the mounting challenge for adaption and the urgent need to reduce GHG emissions.

    • Camilo Mora
    • Tristan McKenzie
    • Erik C. Franklin
  • US homes are large by any international standards. Full grid decarbonization and electrification of residential energy uses — along with extensive house renovation — are all required, but smaller homes could make this much easier to deliver.

    • André Cabrera Serrenho
    News & Views
  • Each year weather records are being broken around the globe; this boreal summer has seen heat records fall across Europe, America and Central Asia. These discernible effects of climate change cannot be ignored, as combined with global issues they endanger society and well-being.

  • Tiny phytoplankton are the base of ocean production and thus critical to carbon storage, carbon fluxes and living marine resources. Now, research suggests that the vertical migration of these organisms provides a previously under-recognized resiliency to climate warming.

    • John P. Dunne
    News & Views
  • The author investigates reproductive tradeoffs and contemporary selection of ocean acidification for a common coastal fish. Larvae are highly sensitive to acidification, with lower mortality for larger larvae, but effects are partially offset by tradeoffs between offspring size and number.

    • Darren W. Johnson
  • Phytoplankton vertical migration has a role in nutrient pumping and primary productivity in the oceans. Here the authors quantify the total amount of oceanic net primary productivity facilitated by this bio-pumping, under present and future warming conditions.

    • Kai Wirtz
    • S. Lan Smith
    • Jan Taucher
    Article Open Access
  • Ocean changes could affect the East Antarctic Ice Sheet and its contribution to sea level rise. Oceanographic observations off East Antarctica show substantial warming of mid-depth Circumpolar Deep Water, linked to poleward wind shifts, with implications for glacial melt and ice sheet stability.

    • Laura Herraiz-Borreguero
    • Alberto C. Naveira Garabato
  • Residential sector decarbonization is an essential part of mitigation, especially in the United States where per capita energy use is high by global standards. This article shows the emission reduction potential from individual and combined strategies applied to existing and new homes and to electricity supply.

    • Peter Berrill
    • Eric J. H. Wilson
    • Edgar G. Hertwich
  • How global warming affects the ability of northern peatlands to store carbon is uncertain. Now, researchers show that early summer warming increases carbon uptake, whereas warmer late summer decreases it.

    • Sari Juutinen
    News & Views
  • Northern expansion is often seen as a solution to climate-driven agricultural challenges in lower latitudes, yet little is known about cultivation–permafrost interactions. We outline four science-based adaptations, informed by farmer knowledge, that reduce risk and inform decisions to sustainably manage and develop permafrost-agroecosystems.

    • Melissa K. Ward Jones
    • Tobias Schwoerer
    • David Russell
  • Peatlands have historically acted as a carbon sink, but it is unclear how climate warming will affect this. The response of peatland carbon uptake to warming depends on the timing of summer warming; early warming leads to increased CO2 uptake and later warming to decreased uptake.

    • M. Helbig
    • T. Živković
    • S. Zaehle
  • Non-CO2 effects must be addressed for climate-neutral aviation but are currently ignored in international climate policies. The authors provide a framework with different definitions of climate neutrality, then show how technological and demand-side mitigation efforts can help to achieve these targets.

    • Nicoletta Brazzola
    • Anthony Patt
    • Jan Wohland