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Showing 1–11 of 11 results
Advanced filters: Author: Jacques Després Clear advanced filters

  • Urgent action is needed to ensure food security and mitigate climate change. Through a multi-model comparison exercise, this study shows the potential negative trade-offs between food security and climate change mitigation if mitigation policies are carelessly designed.

    • Shinichiro Fujimori
    • Tomoko Hasegawa
    • Detlef van Vuuren
    Research
    Nature Sustainability
    Volume: 2, P: 386-396

  • To evaluate the effectiveness of current national policies in achieving global temperature targets is important but a systematic multi-model evaluation is still lacking. Here the authors identified a reduction of 3.5 GtCO2 eq of current national policies relative to a baseline scenario without climate policies by 2030 due to the increasing low carbon share of final energy and the improving final energy intensity.

    • Mark Roelfsema
    • Heleen L. van Soest
    • Saritha Sudharmma Vishwanathan
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-12

  • An environmentally safe means of mosquito control is the application of Bacillus thuringiensis israelensis, which produces a cocktail of four naturally crystalline proteins exclusively toxic to mosquito. Here the authors report the atomic-resolution structures of Bti Cry11Aa and related Btj Cry11Ba solved de novo through Serial Femtosecond Crystallography on naturally-occurring nanocrystals.

    • Guillaume Tetreau
    • Michael R. Sawaya
    • Jacques-Philippe Colletier
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-18

  • Delaying climate mitigation requires large-scale carbon dioxide removal (CDR) in the second half of this century, with possible adverse effects. Under scenarios with no dependence on CDR technologies, this study examines the short- and long-term implications of climate mitigation for land-use and food systems.

    • Tomoko Hasegawa
    • Shinichiro Fujimori
    • Keywan Riahi
    Research
    Nature Sustainability
    Volume: 4, P: 1052-1059

  • The scale and nature of energy investments under diverging technology and policy futures is of great importance to decision makers. Here, a multi-model study projects investment needs under countries’ nationally determined contributions and in pathways consistent with achieving the 2 °C and 1.5 °C targets as well as certain SDGs.

    • David L. McCollum
    • Wenji Zhou
    • Keywan Riahi
    Research
    Nature Energy
    Volume: 3, P: 589-599

  • Current emissions scenarios include pathways that overshoot the temperature goals set out in the Paris Agreement and rely on future net negative emissions. Limiting overshoot would require near-term investment but would result in longer-term economic benefit.

    • Keywan Riahi
    • Christoph Bertram
    • Behnam Zakeri
    Research
    Nature Climate Change
    Volume: 11, P: 1063-1069

  • Comprehensive policy measures are needed to close the emissions gap between Nationally Determined Contributions and emissions goals of the Paris Agreement. Here the authors present a Bridge scenario that may aid in closing the emissions gap by 2030.

    • Heleen L. van Soest
    • Lara Aleluia Reis
    • Detlef P. van Vuuren
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Mitigation pathways allowing for temperature overshoot often ignore the related climate and macroeconomic impacts. Net-zero pathways with limited overshoot could reduce low-probability high-consequence risks and economic loss.

    • Laurent Drouet
    • Valentina Bosetti
    • Massimo Tavoni
    Research
    Nature Climate Change
    Volume: 11, P: 1070-1076

  • Bacillus thuringiensis israelensis (Bti) produces the naturally-crystalline proteinaceous toxin Cyt1Aa that is toxic to mosquito larvae. Here the authors grow recombinant nanocrystals of the Cyt1Aa protoxin in vivo and use serial femtosecond crystallography to determine its structure at different redox and pH conditions and by combining their structural data with further biochemical, toxicological and biophysical analyses provide mechanistic insights into the Cyt1Aa bioactivation cascade.

    • Guillaume Tetreau
    • Anne-Sophie Banneville
    • Jacques-Philippe Colletier
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-16