Knowledge for better food systems

Showing results for: GHG impacts and mitigation

Image: David Blaikie, New Zealand Cattle, Flickr, Creative Commons Attribution 2.0 Generic
13 May 2019

New Zealand has introduced a new bill that aims to bring emissions of long-lived greenhouse gases to net zero by 2050. A separate target has been set for methane emissions from agriculture, with planned cuts of 10% by 2030 and 24% to 47% by 2050.

13 May 2019

The Fate of Food: What We'll Eat in a Bigger, Hotter, Smarter World, by Amanda Little, examines the innovations that are changing food production.

Image: Atmospheric Research, CSIRO, Parched earth, typical of a drought., Wikimedia Commons, Creative Commons Attribution 3.0 Unported
13 May 2019

Extreme climate events such as droughts and heat waves are better predictors of yield anomalies than indicators of climate averages in maize, rice and soybeans, according to this paper. Irrigation can mitigate the negative yield impacts of frequent warm days.

8 May 2019

The UK Parliament has endorsed a motion to declare a climate and environment emergency, in response to the 2019 Extinction Rebellion protests and calls from the Labour opposition. The motion, which is not legally binding, follows declarations of a climate emergency by the Welsh Government, Nicola Sturgeon, First Minister of Scotland, and several cities across the UK.

8 May 2019

This report by United Nations Environment reviews the current state of the environment and policy responses, with a particular focus on the links between planetary health and human health. It covers the impacts of the food system and risks to food security caused by environmental degradation.

8 May 2019

This report from the UK’s Committee on Climate Change sets out how the UK can reach net zero emissions by 2050 using existing technologies. It notes that current policies do not do enough to meet existing climate targets, and calls for “clear, stable and well-designed policies” to be introduced across the economy without delay. If replicated across the world, the plan would give a greater than 50% chance of limiting warming to 1.5°C.

Image: Alasdair MacDonald, Wet peat land, Geograph, Creative Commons Attribution-ShareAlike 2.0 Generic
8 April 2019

Schools strike climate activist Greta Thunberg, along with several scientists, authors and campaigners, has called for “natural climate solutions” to tackle climate change and biodiversity loss simultaneously.

20 March 2019

This report from the Japanese Institute for Global Environmental Strategies shows how lifestyles would have to change in industrialised countries and some industrialising countries in order to meet climate change targets.

Image: Kevin Dooley, Rain cloud over Phoenix, Wikimedia Commons, Creative Commons Attribution 2.0 Generic
20 March 2019

This paper uses climate models to estimate that average precipitation across many crop production areas will change by more than natural variability throughout the 21st century. Changes are seen even if emissions are relatively low, but meeting the Paris climate goals could reduce the extent of cropland that is affected.

Image: AEPF, Olive tree Italy, Pixabay, Pixabay Licence
13 March 2019

Extreme weather events such as frosts, heavy rains and droughts are the main drivers of lower olive yields in Italy, according to Professor Riccardo Valentini of the Euro-Mediterranean Centre for Climate Change. Italy has experienced a 57% drop in olive oil production in 2018.

13 March 2019

This book by Mike Berners-Lee aims to provide a big-picture overview of how to solve the many environmental issues the world is facing now, including both systemic and personal paths of action. It is aimed at a wide audience including both policymakers and the general public. Chapter 2 is about food.

Image: Romaniamissions, Fishing boats Spain, Pixabay, Pixabay Licence
12 March 2019

This paper retrospectively models the impacts of ocean warming on the productivity of 235 fish populations around the world representing around one third of reported global catch. It uses a temperature-dependent population model to estimate that the overall maximum sustainable yield of the fish populations dropped by 4.1% between 1930 and 2010.

Image: Phil Manker, Swirling fish schools, Wikimedia Commons, Creative Commons Attribution 2.0 Generic
12 March 2019

This paper models the impacts that the Paris Agreement on climate change would have on seafood production. It finds that three quarters of maritime countries would benefit from the Agreement’s implementation.

Image: Neil Palmer (CIAT), 2DU Kenya 92, Flickr, Creative Commons Attribution-ShareAlike 2.0 Generic
4 March 2019

Climate mitigation policies rarely account for the time lags associated with land-based greenhouse gas mitigation policies such as reforestation, bioenergy with carbon capture and storage (BECCS) or reduction of agricultural emissions, argues this paper, making it unlikely that commitments under the Paris Agreement will be met.

26 February 2019

This book explores how climate change will affect food security and availability, and outlines ways of adapting agriculture to cope under a different climate.

Image: Pxhere, Landscape grass horizon, CC0 Public Domain
26 February 2019

This paper, by John Lynch of the University of Oxford’s LEAP project, finds that carbon footprint studies of beef cattle typically do not report separate values for emissions of different greenhouse gases such as methane and nitrous oxide. Instead, studies generally report only an aggregated figure in the form of the 100-year Global Warming Potential (GWP100) as CO2-equivalent.

18 February 2019

This report from The Climate Coalition (a UK-based association of organisations with an interest in climate change) outlines how production of fruit and vegetables in the UK is threatened by extreme weather events made more likely by climate change.

Pages