Knowledge for better food systems

Showing results for: GHG impacts and mitigation

9 June 2020

The Global Alliance for the Future of Food held the Salzburg Process on the Climate Emergency and the Future of Food in May 2020. In this blog post, Ruth Richardson (Executive Director of the Global Alliance) reflects on lessons learned from holding the event virtually because of COVID-19, rather than physically as originally planned.

19 May 2020

This blog post John Lynch of Oxford’s Livestock, Environment and People programme asks whether we can keep farming cows and sheep without dangerously warming the planet. He points out that it is possible to maintain stable temperatures without eliminating methane emissions entirely (in contrast to CO2 where emissions have to fall to net zero to tackle climate change). However, ruminant methane emissions are currently increasing. Furthermore, ruminants use a lot of land, some of which could be used for other purposes that might sequester more carbon.

12 May 2020

The average number of days that US farm workers spend working in dangerously hot conditions could double by mid-century and triple by the end of the century, according to this paper. Workplace adaptations such as longer rest breaks, working more slowly, switching to single-layer clothing and having cooled rest areas could tackle this problem, but would negatively affect farm productivity, worker earnings and labour costs.

5 May 2020

This paper uses temperature and precipitation projections across the ranges of over 30,000 species on land and in water to estimate when each species will be exposed to dangerous climate conditions. It predicts that most species within a given assemblage (group of species within a habitat) will encounter inhospitable climate conditions at the same time as each other (e.g. several species might have a similar upper limit on the temperature that they are able to cope with), meaning that disruption of the overall assemblage is likely to be abrupt.

29 April 2020

This book examines how the food system can adapt to be able to produce enough food in a changing climate. The authors present global policy options and list key foods that could help, including algae, caribou and kale.

7 April 2020

This paper uses several simple emissions scenarios to illustrate how GWP* (as opposed to GWP100) can report the warming created by both short-lived greenhouse gases such as methane (CH4) and long-lived greenhouse gases such as carbon dioxide (CO2). 

31 March 2020

This book looks at the tradeoffs between mitigating climate change and protecting food security, as well as the effects that climate change has on food production.

31 March 2020

This book by Sarah Bridle provides an accessible outline of the links between climate change and food: both the climate impacts of producing food, and the impacts of climate change on farming.

31 March 2020

This report, commissioned by the UK charity Royal Society for the Protection of Birds, assesses a selection of measures for reducing greenhouse gas emissions from agriculture. It looks at their potential impacts on biodiversity, climate and resource protection to identify which solutions offer synergy between climate and nature, and where there is a risk of conflict.

24 March 2020

This piece in the UK’s Independent newspaper, by several researchers from the University of Oxford, sets out five questions that (they argue) should be considered by any policymaker or business setting a “net zero” greenhouse gas emissions target.

16 March 2020

Our World in Data has published this piece, which breaks down the extent to which the differences in carbon footprints of food categories can be attributed to methane, a short-lived greenhouse gas which has attracted controversy over how its climate impact is measured. 

10 March 2020

In this episode of the Farm Gate podcast, FCRN member ffinlo Costain speaks to Caitlin Werrell (co-founder of the Washington-based Centre for Climate & Security) and to Rear Admiral Neil Morisetti (the UK's former Climate, Energy & Security Envoy) to explore how climate change might impact food security in developed nations such as the UK and the United States. 

10 March 2020

This paper sets out how far different sources of methane (both agricultural and non-agricultural) can be reduced by 2050, via technical changes. It argues that since methane accounts for about 40% of the warming effect of all greenhouse gases in the short term (because of its high Global Warming Potential but short atmospheric lifetime), reducing methane emissions is therefore useful for mitigating climate change between now and 2050.

24 February 2020

This explainer from Carbon Brief outlines nine interlinked “tipping points” where climate warming could trigger an abrupt change. They include disintegration of ice sheets, changes in ocean circulation, thawing of permafrost, and dieback of ecosystems such as the Amazon rainforest and coral reefs.

24 February 2020

This report from the intergovernmental Organisation for Economic Co-operation and Development draws on the experiences of Brazil, France, Indonesia, Ireland, Mexico and New Zealand to examine how land use policy can be aligned with climate, biodiversity and food objectives.

24 February 2020

This WHO-UNICEF-Lancet Commission examines the effects of climate change and food advertising on children’s health and likelihood of enjoying a good future. The report argues that children’s wellbeing should be placed at the heart of the Sustainable Development Goals. 

24 February 2020

This paper finds that, as climate change causes the geographical shift of areas suitable for growing certain crops, the potential changes in land use could have impacts on biodiversity, water resources and soil carbon storage. So-called “agriculture frontiers” - areas of land not currently suitable for producing crops but that might become suitable in future due to shifts in temperature or rainfall - cover an area nearly one-third as big as current agricultural land area.

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