Knowledge for better food systems

Showing results for: Journal article

Image: Marco Verch, Raw salmon fillets on dark background, Flickr, Creative Commons Attribution 2.0 Generic
24 March 2020

FCRN member Lukas Paul Fesenfeld has co-authored this paper, which surveys people from China, Germany and the United States to assess levels of public support for various types of policy aimed at reducing meat and fish consumption. It explores how “packaging” several policies together can increase acceptance among voters.

Image: Marco Verch, Sweet Potatoes on a Cutting Board, Flickr, Creative Commons Attribution 2.0 Generic
24 March 2020

FCRN member Nicole Tichenor Blackstone has co-authored this paper, which compares the diets recommended by the EAT-Lancet Commission and by the Dietary Guidelines for Americans (DGA). It finds areas of similarity as well as areas of divergence.

Image: Smaack, Members of an organic community supported agriculture farm near Rostock, Germany, support the farmer by plugging weeds from the beet root field, Wikimedia Commons, Creative Commons Attribution-Share Alike 4.0 International
24 March 2020

FCRN member Hayo van der Werf has co-authored this perspective paper, which argues that current Life Cycle Assessment (LCA) methodologies tend to favour intensive farming systems and misrepresent organic and agroecological systems.

Image: RobinHiggins, Tänkande Personen, Pixabay, Pixabay Licence
16 March 2020

This paper finds that downplaying explicit statements of environmental benefits can be a more effective advertising strategy than prioritising the environmental aspects in product categories that are not normally seen as “green”. This is because consumers often perceive green products as performing less well than conventional products, according to the paper. 

Image: ChristinaZetterberg, Bullar Kanel Pärlsocker, Pixabay, Pixabay Licence
16 March 2020

FCRN member Elin Röös has co-authored this paper, which finds that the average Swedish diet far exceeds the planetary boundaries (scaled to the per capita level) suggested by the EAT-Lancet Commission for greenhouse gas emissions, cropland use, application of nutrients and biodiversity. The diet is within the boundary for freshwater use.

Image: Victoria Rachitzky Hoch, Abacaxi, piña, pineapple, Flickr, Creative Commons Attribution 2.0 Generic
16 March 2020

FCRN member Margareta Lelea of the German Institute for Tropical and Subtropical Agriculture (DITSL) has co-authored this paper, which uses the example of the pineapple supply chain in Uganda to argue that efforts to reduce post-harvest losses often neglect the uses of waste streams by local people.

Image: USDA Natural Resources Conservation Service, An NRCS employee takes a soil sample on a farm that has incorporated many conservation practices to protect and enhance natural resources, Wikimedia Commons, Creative Commons Attribution-Share Alike 4.0 International
10 March 2020

According to this meta-analysis of 60 studies, cover crops on agricultural land can increase soil microbial abundance, activity, and diversity relative to land left bare between crops, with the effect varying with climate and how the farm is managed (e.g. tilling). The paper does not discuss the extent to which this change in soil microbiome affects crop yields.

Image: smilingscot, A flooded office, Flickr, Creative Commons Attribution-NoDerivs 2.0 Generic
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.

Image: Mike Pennington, Forage crop for bees, Moss Side Farm, Rufford, Geograph, Creative commons Attribution-ShareAlike 2.0 Generic
10 March 2020

This paper reviews initiatives for conserving insects and argues that they must be expanded globally to protect insect populations. It also argues that the value of insects to society must be better communicated to people, e.g. through focusing on the benefits of iconic insect species or particular landscapes. 

Image: Oregon State University, Microplastic, Flickr, Creative Commons Attribution-ShareAlike 2.0 Generic
3 March 2020

Microplastics are tiny fragments of plastic formed as larger pieces break down in the environment, or else intentionally manufactured (e.g. as microbeads for cleaning products or pellets for industrial use). This paper reviews the current state of knowledge on their human health implications and effects on ecosystems. 

Image: Iam Paterson, The seeds of flax are used to make linseed oil, Wikimedia Commons, Creative Commons Attribution-Share Alike 2.0 Generic
3 March 2020

This paper reviews literature on the effects of environmental factors on the yields and nutritional qualities of fruit, nuts and seeds. In general, yields are expected to decrease under conditions of reduced water availability, higher ozone concentrations, temperatures above 28°C and higher water salinity. Berry and peanut yields respond positively to higher carbon dioxide levels, but this effect is reduced when temperatures also rise.

Image: cookbookman17, Crumbled Blue Cheese, Flickr, Creative Commons Attribution 2.0 Generic
3 March 2020

This paper gives an overview of the potential public health impacts of dairy production and consumption across the globe. It notes that dairy production is projected to increase by a quarter between 2014 and 2025, driven by both a rising global population and increases in the amount of dairy consumed per person.

MabelAmber, Bread Crust Food, Pixabay, Pixabay Licence
26 February 2020

This paper by Verma et al., with FCRN member Thom Achterbosch as co-author, estimates that consumers across the world are probably wasting over twice as much food as previously believed. The study is based on the FAOSTAT Food Balance Sheets, but goes further than the Food and Agriculture Organisation in that it factors in how consumer affluence affects food waste. It finds that once people spend more than $6.70 per day (in total, not just on food), food waste starts to rise - suggesting that consumer food waste is an issue even in lower-middle income countries, not only in wealthier countries.

Image: United Soybean Board, Agronomist & Farmer Inspecting Weeds, Flickr, Creative Commons Attribution 2.0 Generic
24 February 2020

This paper addresses the concept of co-production of actionable knowledge - where researchers and decision makers interact iteratively to produce knowledge that can be acted on, instead of a one-way flow of information from researchers to decision makers - in relation to research on environmental sustainability. 

Image: webandi, Wine grapes agriculture, Pixabay, Pixabay Licence
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.

Image: United Soybean Board, Soybean Pods, Flickr, Creative Commons Attribution 2.0 Generic
24 February 2020

In this paper, FCRN member Erasmus zu Ermgassen finds that voluntary zero deforestation commitments (ZDCs) cover more than 90% of the soy exported from the Brazilian Amazon, but only 47% of soy exported from the Brazilian Cerrado biome (a type of wooded savannah). 

Image: PommeGrenade, Cow Grazing, Pixabay, Pixabay Licence
18 February 2020

FCRN member ffinlo Costain has published a response to the paper Climate change: ‘no get out of jail free card’ (summarised on the FCRN website here). Costain argues that biological methane emissions - such as those from grazing livestock - can be “warming neutral” as long as they fall by 10% by 2050. Citing Oxford climate scientist Myles Allen, Costain argues that sharply cutting ruminant numbers would only deliver a warming reduction of 0.1ºC at most, which would be outweighed within a few years by continuing carbon dioxide emissions.

Pages