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Showing 1–27 of 27 results
Advanced filters: Author: Zia Mehrabi Clear advanced filters

  • Global demand for coffee is constantly rising while the security of its production is increasingly threatened by disease and a changing climate. Is the genetic diversity of coffee in Ethiopia, its site of origin, robust enough to provide solutions to these challenges?

    • Zia Mehrabi
    • Philippe Lashermes
    Comments & Opinion
    Nature Plants
    Volume: 3, P: 1-3

  • The economic stakes that impede the reduction of greenhouse gas emissions from the agrifood sector are high. In the European Union and UK, three dietary transition scenarios representing moderate, low and zero animal-sourced food consumption are estimated to lead to €61 billion, €168 billion and €255 billion in stranded assets, respectively.

    • Zia Mehrabi
    News & Views
    Nature Food
    Volume: 7, P: 11-12

  • By reconstructing the number of farms on Earth over 1969–2013, this study shows that under current development trajectories, the number of farms globally will probably halve by the end of the twenty-first century, with a doubling of the average farm size.

    • Zia Mehrabi
    Research
    Nature Sustainability
    Volume: 6, P: 949-954

  • In response to continuing habitat and biodiversity loss, leading conservationists have proposed setting aside half the earth for nature. This study evaluates the trade-offs with food production and finds losses in croplands, pasture and calories that vary with the conservation strategy.

    • Zia Mehrabi
    • Erle C. Ellis
    • Navin Ramankutty
    Research
    Nature Sustainability
    Volume: 1, P: 409-412

  • An analysis of the global production of maize, rice, soybean and wheat from 1961 to 2008 reveals that, although production synchronization within these crops has decreased, leading to increased stability, synchrony between crops has increased, resulting in higher instability of global total calorie production.

    • Zia Mehrabi
    • Navin Ramankutty
    Research
    Nature Ecology & Evolution
    Volume: 3, P: 780-786

  • Big data and mobile technology are considered a growing boon for small-scale farmers. This study finds that only 24–37% of farms of <1 ha are currently served by third generation (3G) or 4G services, compared to 74–80% of farms of >200 ha, and that regions with poor yields and low food security have poor service coverage.

    • Zia Mehrabi
    • Mollie J. McDowell
    • Andy Jarvis
    Research
    Nature Sustainability
    Volume: 4, P: 154-160

  • There is widespread concern that the risk of food shocks — sudden disruptions to food supply — is increasing. It emerges that a city’s vulnerability to food shocks can be reduced by diversifying its supply chains.

    • Zia Mehrabi
    News & Views
    Nature
    Volume: 595, P: 175-176

  • Labelling human impacts on products and services and embedding human rights in climate communication could contextualize carbon emissions for consumers and incentivize companies to accelerate the move to net zero.

    • Zia Mehrabi
    • Ginni Braich
    Comments & Opinion
    Nature Human Behaviour
    Volume: 9, P: 237-239

  • Food security is uncertain under future climate change, but is there a threat of food system collapse? Now research assesses the probability of weather hazards occurring at the same time in the world’s major breadbaskets and reveals that the weather-related component of this risk could be increasing.

    • Zia Mehrabi
    News & Views
    Nature Climate Change
    Volume: 10, P: 16-17

  • Food systems transformation may lead to asset stranding, which often creates resistance to change. This Perspective presents concrete examples of where that may occur and offers solutions for navigating the problem.

    • Stephanie Walton
    • Zia Mehrabi
    • Ben Caldecott
    Reviews
    Nature Food
    Volume: 6, P: 440-445

  • Conventional agricultural intensification can lead to ‘traps’ where production actually declines because of biodiversity loss. By integrating case study archetypes, literature review and simulations, the authors show what systems are at risk of traps and how these risks can be limited.

    • Alfred Burian
    • Claire Kremen
    • Ralf Seppelt
    ResearchOpen Access
    Nature Ecology & Evolution
    Volume: 8, P: 752-760

  • Graphics are becoming increasingly important for scientists to effectively communicate their findings to broad audiences, but most researchers lack expertise in visual media. We suggest collaboration between scientists and graphic designers as a way forward and discuss the results of a pilot project to test this type of collaboration.

    • Colin K. Khoury
    • Yael Kisel
    • Ari Novy
    Comments & OpinionOpen Access
    Communications Biology
    Volume: 2, P: 1-5

  • A geospatial estimate of water scarcity in middle- to low-income countries finds that less than 37% of small-scale farms have irrigation. However, there exist considerable gaps in evidence for most commonly proposed, on-farm interventions.

    • Vincent Ricciardi
    • Abdrahmane Wane
    • Zia Mehrabi
    ResearchOpen Access
    Nature Sustainability
    Volume: 3, P: 836-844

  • Livestock products are under scrutiny from environmental, human health and animal welfare perspectives. Future policy decisions must address and represent the complexity of the interactions between livestock and the Sustainable Development Goals, and beyond.

    • Zia Mehrabi
    • Margaret Gill
    • Navin Ramankutty
    Reviews
    Nature Food
    Volume: 1, P: 160-165

  • Most of the world’s farms are small. This study finds that smaller farms have higher yields and biodiversity than larger ones but little difference in greenhouse gas emissions and profits.

    • Vincent Ricciardi
    • Zia Mehrabi
    • Navin Ramankutty
    Research
    Nature Sustainability
    Volume: 4, P: 651-657