Research & reports

· Wikipedia (de) · Germany

Germany's Federal Allotment Garden Act (BKleingG) was enacted on 28 February 1983 and took effect 1 April 1983 (last amended 19 September 2006, effective 1 October 2006). A Kleingarten must not exceed 400 m², and a garden shed (Gartenlaube) may be at most 24 m² including a covered terrace and must not be suitable for permanent habitation. Federal Court of Justice (BGH) case law holds that at least one third of the plot area must be used for growing garden produce for personal consumption, and that a Kleingarten site must comprise at least five individual plots.

Food and Agriculture Organization of the United Nations (FAO) · FAO · Global

An overview of FAO's 'City Region Food Systems' (CRFS) approach under its Food for the Cities Programme, which frames all actors, processes and relationships involved in producing, processing, distributing and consuming food as linking urban centres with their surrounding rural and peri-urban areas, aiming to improve economic, social and environmental sustainability with an emphasis on supporting local government policy shifts.

Buglife · Buglife · United Kingdom

An introduction to Buglife's 'B-Lines' initiative, which states that over 97% of the UK's flower-rich grasslands (an area the size of Wales) have been lost since the 1930s, and describes a nationwide network of flower-rich habitat 'stepping stones' linking existing wildlife areas across the countryside and towns. B-Lines have been mapped across England, Wales, Northern Ireland and Scotland, with a target to create and restore at least 150,000 hectares of flower-rich habitat across the UK.

NHS England · NHS England · United Kingdom

NHS England's official page on 'social prescribing', a form of personalised care in which GPs and other health professionals refer patients via link workers to non-clinical, community-based support (group activities, advice services, etc.), centred on the question 'what matters to me?'. It targets people with one or more long-term conditions, those needing low-level mental health support, people who are socially isolated or lonely, and those with complex social needs. NHS England set a goal of at least 900,000 people being referred to social prescribing by 2023/24.

東京都産業労働局 · 東京都産業労働局 · Japan

The official page of the Agriculture, Forestry and Fisheries Division of the Tokyo Metropolitan Bureau of Industrial and Labor Affairs. The division describes its role as promoting production and infrastructure development in agriculture, forestry, and fisheries to raise profitability, while also providing spaces for education and recreation and contributing to countermeasures against global warming; the page links to related policies, press releases, and statistics for agriculture, fisheries, and forestry.

· Wikipedia · Global

A Wikipedia article on 'victory gardens' — vegetable, fruit, and herb gardens planted at homes and in public parks during World War I and II to supplement food rations and boost civilian morale. In the US during WWI, over 5 million gardens were established, with produce valued at more than $1.2 billion by war's end. In WWII, the US had 18 million victory gardens by May 1943 (12 million urban, 6 million farm-based), accounting for about one-third of US vegetable production; in 1944, 9-10 million short tons were harvested, matching total commercial fresh-vegetable production. In Britain, allotments roughly doubled to about 1.4 million by 1943.

· Wikipedia · United States

A Wikipedia article surveying the history and present state of community gardening in the United States. It traces early examples such as the Moravians' garden in Bethabara, North Carolina in the early 1700s, Detroit's municipally sponsored 'Pingree's Potato Patches' of the 1890s, World War I/II victory gardens, and the founding of the American Community Gardening Association (ACGA) in 1978. Current figures cited include over 3,000 gardens statewide in New York, over 550 gardens on New York City property (plus 745 school gardens), about 1,400 gardens in Detroit, over 800 documented in Chicago, about 180 in Boston, and Seattle's P-Patch program with 1,900 plots across 68 locations totaling 23 acres.

U.S. Environmental Protection Agency (EPA) · U.S. Environmental Protection Agency (EPA) · United States

EPA's Brownfields and Land Revitalization program page describes grants and technical assistance for assessing, cleaning up, and reusing contaminated land. As of June 2026 it lists $270 million in brownfield grants and a $1.5 billion investment under the Infrastructure Investment and Jobs Act. The page does not directly discuss urban agriculture.

· Wikipedia · India

This Wikipedia article gives an overview of Indian agriculture. It states that agriculture employs more than 50% of India's workforce and contributes 20.2% to GDP per the 2020–21 Economic Survey, while productivity remains 30–60% of that in developed countries. The article does not specifically address urban farming, focusing instead on structural issues such as infrastructure gaps and farmer suicides.

· Wikipedia · Indonesia

Indonesian politician Ridwan Kamil (born 1971) served as mayor of Bandung from 2013 to 2018. Before becoming mayor, he was a pioneer of the 'Indonesia Berkebun' (Gardening Indonesia) urban farming movement, which had grown to 14 cities with about 4,000 members by 2011. As mayor, he also worked pro bono on creating public open spaces in crowded residential areas of Bandung.

· Wikipedia · Taiwan

The Wikipedia article 'Agriculture in Taiwan' summarizes Taiwan's agricultural sector. As of 2023, agriculture accounts for 1.51% of GDP with an output value of roughly NT$35.1 billion; there were about 760,000 farm households in 2022, and food self-sufficiency stood at 35% in 2020. The article notes Taiwan's growing vertical farming sector, including iFarm in Taoyuan, described as Asia's largest vertical farm as of 2018.

· Wikipedia · Taiwan

The Wikipedia article on Taiwan's Ministry of Agriculture traces its lineage: the Council of Agriculture was formed under the Executive Yuan in 1984, and in May 2023 the Legislative Yuan passed the Organic Act elevating it to full ministry status as the Ministry of Agriculture, overseeing agriculture, forestry, fishery, animal husbandry and food affairs.

U.S. Environmental Protection Agency (EPA) · U.S. Environmental Protection Agency (EPA) · United States

This EPA page explains composting: food waste is responsible for 58% of landfill methane emissions and makes up 24.1% of municipal solid waste. Of the 66.2 million tons of food waste generated in the US in 2019, only 5% was composted. Compost adds organic matter and boosts soil microbial diversity, reduces reliance on chemical fertilizers and pesticides, and — because it is typically processed near where it is generated — supports local economies.

· Wikipedia · South Korea

This Wikipedia article on recycling in South Korea (the URL 'Food_waste_in_South_Korea' redirects here) describes a pay-as-you-throw system requiring households to buy designated bags for general waste separate from food waste. The food-waste recycling rate rose from 2% in 1995 to 95% by 2013. Per-capita food waste generation exceeds 130 kg/year, and RFID-enabled smart bins reduced food waste by 47,000 tonnes over six years. South Korea's overall recycling rate reached 59% in 2013, the second-highest among OECD countries; daily household waste fell from 1.3 kg (1994) to 0.94 kg (2013) while the recycled share rose from 15.3% to 83.2%.

· Wikipedia · Taiwan

This Wikipedia article on waste management in Taiwan describes a recycling programme that began in 1989 following a 1987 amendment to the Waste Disposal Act, with the 3R Foundation established in 1994. There are 33 recyclable items across 13 categories; raw food waste is processed into fertilizer for farmers while cooked food waste is converted into livestock feed. As of August 2023, 25 large-scale incineration plants operate, 22 publicly owned (5 publicly operated, 17 privately operated) and 3 privately owned and operated. In 2016, 76.8% of fly ash from coal-fired power plants (1.703 million tons) was reused in construction.

US Environmental Protection Agency (EPA) · U.S. Environmental Protection Agency (EPA) · United States

An EPA overview page on green infrastructure, explaining that rain or snow can pick up trash and chemicals as it flows into storm drains, and introducing solutions such as rain gardens, planter boxes, green roofs, and permeable pavement. The page does not present specific numeric data.

· Wikipedia · China

Sponge city is a Chinese urban planning model that uses green and wetland infrastructure to absorb, purify, and store rainwater. China piloted the model in 16 districts in 2015 and a further 15 cities in 2016, with a central government mandate that 80% of urban space adopt sponge-city adaptations and recycle at least 70% of rainfall by 2030. However, 19 of the 30 pilot cities have still experienced flooding since implementation, indicating implementation challenges.

· Wikipedia · Global

Rainwater harvesting (RWH) is a long-standing technique for collecting rainwater from roofs and other surfaces into tanks or reservoirs, used worldwide for water supply in water-scarce areas, flood mitigation, and cost savings. Frankfurt Airport's system saves about 1 million cubic meters of water per year, Mumbai has mandated RWH infrastructure for new buildings above certain sizes since 2002, and typical UK households can reduce water use by 20-30% through RWH.

Philadelphia Water Department · Philadelphia Water Department · United States

Philadelphia Water Department's 25-year plan (2011-2036) is required to reduce combined sewer overflow pollution by at least 85 percent. In its first decade the program installed more than 2,800 green tools across nearly 800 sites, keeping more than 2.7 billion gallons of polluted water out of waterways. The Schuylkill River alone is credited with $589.9 million in annual economic impact, 6,154 jobs, and $37.7 million in annual tax revenue.

農林水産省 · 農林水産省 · Japan

Shokuiku (food and nutrition education) is positioned as "the foundation for living, underlying intellectual, moral, and physical education," aiming to help citizens cultivate lifelong health and rich humanity. The Basic Act on Shokuiku was amended on May 27, 2026, and the 5th Basic Plan for the Promotion of Shokuiku was decided on June 24, 2026. MAFF operates a public-private food education platform, an award system for exemplary food-education organizations, and a national Shokuiku Month campaign, among other initiatives.

Jeong D., Li L., Perez-Quesada G. · Choices Magazine (Agricultural & Applied Economics Association), 2nd Quarter 2026 · United States

An analysis of community garden siting through an environmental cost-benefit framework, organised around two direct costs (land and water) and two externalities (water pollution and gentrification). Cheap vacant parcels can carry remediation and infrastructure costs that exceed those of pricier development-ready sites over a garden's planning horizon, and in arid regions irrigation can be up to 34% of annual maintenance cost. On the externality side, weak nutrient management lets nitrogen and phosphorus accumulate and risk groundwater contamination, and community gardens can raise adjacent property values by 3–4% initially and around 7% within five years, potentially displacing the lower-income residents they are meant to serve. The authors note that the absence of a comprehensive geo-referenced inventory of community gardens — with establishment dates, tenure arrangements and management practices — constrains rigorous cost quantification and causal analysis.

James Comtois · Institutional Investor · Global

Signatories to the UN Principles for Responsible Investment grew from 63 institutions with $6.5 trillion under management in 2006 to 2,450 with $80 trillion in 2019. The article reports a research paper by Demirer and Zhang arguing that institutional ESG investing is largely herding driven by fad, reputational concern and fund flows, and has improved neither corporate ESG engagement nor investment performance. At the time of writing, global ESG fund inflows had fallen 50 per cent over the previous year, with a record $12 billion withdrawn in a single quarter.

Plinth · Plinth · United Kingdom

Published 5 April 2026 and updated 14 June 2026. Full cost recovery means funders covering not only a project's direct costs but its proportional share of overheads — rent, finance, IT, HR and chief-executive time. The article works through an example where two of ten staff (20 per cent of capacity) deliver a project, so £28,000 of £140,000 in annual overheads is added to £85,000 of direct costs for a £113,000 budget, and notes that overhead rates of 15–25 per cent are common sector guidance. It argues that accepting grants below true cost is a structural funding problem rather than a budgeting error, with consequences including staff burnout and governance risk, and notes that charity staff earn roughly 7 per cent less per hour than equivalent roles elsewhere in the economy.

内閣府 · 内閣府 · Japan

A Cabinet Office page describing the work of the single nationwide 'designated utilisation organisation' appointed by the Prime Minister under Japan's Dormant Deposits Utilisation Act (Act No. 101 of 2016). The Japan Network for Public Interest Activities (JANPIA) was designated on 11 January 2019 and must draw up an annual business plan for Cabinet Office approval, then select, supervise, inspect and evaluate the intermediary distribution organisations. The page carries associated documents dated 28 December 2023 and 30 March 2026.

内閣府 · 内閣府 · Japan

An explanatory deck on Japan's dormant deposits scheme published by the Cabinet Office in July 2026. Dormant deposits are accounts untouched for ten years or more; the enabling act passed as a member's bill in December 2016 and grant-making began in fiscal 2019, with activity-support organisations and equity investment added from 2024 under the June 2023 amendment. Dormant deposits transferred rose from ¥137.4 billion in FY2021 to ¥187.1 billion in FY2025, repayments to depositors rose from ¥25.2 billion to ¥58.7 billion over the same period, and transfers to the designated utilisation organisation ranged from ¥8.7 billion to ¥7.4 billion. As of the end of April 2026, 373 intermediary distribution organisations and 1,550 executing organisations had taken part, with an average grant of ¥154 million per project at the intermediary level and ¥16.24 million at the executing level.