Methane emissions from ammonia fertiliser manufacturing plants (which use natural gas as a feedstock and energy source) in the United States are around one hundred times higher than currently reported levels, according to this study. Researchers used a Google Street View car equipped with methane analysers to take measurements downwind of six ammonia fertiliser plants (there are only 23 such plants in the US).

This report from the global research network Agriculture, Nutrition & Health (ANH) Academy introduces a game, ‘Diet Dimensions’, which is designed to engage researchers, policymakers and other stakeholders in the issues and policies surrounding healthy, sustainable food systems.

According to this study of farmland birds in Finland, bird abundance is positively correlated with the nearby presence of organic animal farms, as well as the percentage of nearby field cover and the presence of natural grasslands.

This book synthesises the academic literature on sustainable food supply chains and offers quantitative models on topics such as shelf life, vehicle routing and waste management.

This report from environmental NGO Greenpeace International documents the efforts of over 50 companies to demonstrate their progress towards ending deforestation by disclosing their cattle, cocoa, dairy, palm oil, pulp and paper and soya suppliers. No company was able to demonstrate significant action on eliminating deforestation, while those companies that do publish their suppliers all source from producers involved in deforestation.

This book by Ruth Kassinger uses case studies to explore how algae could be used to produce food, fuel and packaging materials.

This investor briefing from UK responsible investment charity ShareAction introduces the topic of childhood obesity and sets out the opportunities and risks it poses to investment portfolios.

A joint investigation by the Guardian newspaper, Channel 4 News and the UK’s non-profit Bureau of Investigative Journalism has found that halving ammonia emissions from farms in the UK could save thousands of lives each year. However, a loophole in regulations means that ammonia emissions from beef and dairy farms do not have to be monitored.

This report from US management consultancy AT Kearney identifies trends in the cultured meat and meat replacement sectors. It estimates that, by 2040, cultured meat and novel vegan meat replacements will together account for a greater market share than conventional meat.