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133 issues · 247 solutions · 272 case studies · 233 topics

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#00001Communities keep re-solving the same local problems from scratch<br>Evidence of which civic interventions actually work is scattered across PDFs, news and council minutes, and rarely stored in comparable form. A community facing a problem others already solved cannot find that record, so it re-invents the fix and repeats avoidable mistakes.

1 Solutions 0 Sub-issues

#00030Household food scraps make up a large, costly share of residual municipal waste<br>Organic food waste is roughly a third of household residual waste. Mixed with general waste it is heavy, wet and costly to truck and burn. France made household biowaste sorting mandatory in 2024, but curbside bins, routes and treatment add cost that source diversion can avoid.

region<br>3 Solutions 0 Sub-issues

#00016Liquid personal-care products are sold almost exclusively in single-use plastic bottles<br>Shampoo, body wash and liquid soap are sold almost entirely in single-use plastic bottles that are rarely recycled. The format persists because plastic is cheap, light, unbreakable and water-resistant and supply chains are built around it, so nothing has displaced it.

0 Solutions 3 Sub-issues

#00068Fatal shark bites are rising as human–shark overlap increases along populated coasts<br>Shark-bite fatalities rose in 2025–26, clustered at crowded surf beaches and flood-affected estuaries. The driver is growing overlap between people and sharks in space and time — coastal crowding, recovering shark populations, and climate-shifted prey — not increased aggression.

5 Solutions 0 Sub-issues

#00074Snakebite envenoming kills and disables hundreds of thousands each year in the rural tropics<br>Rural farming and herding communities across tropical Asia, sub-Saharan Africa and Latin America suffer an estimated 1.8–2.7 million envenomings a year, causing roughly 81,000–138,000 deaths and 300,000–400,000 permanent disabilities — despite envenoming being a treatable medical

0 Solutions 2 Sub-issues

#00075Litter accumulating in natural and public spaces<br>Discarded packaging, cigarette butts and other small waste builds up along roadsides, trails, parks, rivers, beaches and the ocean — harming wildlife, degrading shared spaces, and costing the public hundreds of millions a year to clean up.

5 Solutions 7 Sub-issues

#00003Urban heat islands leave some neighborhoods dangerously hotter than others<br>Dense, low-canopy, dark-surfaced neighborhoods run several degrees hotter than nearby areas during heatwaves, concentrating health risk and energy costs — and the burden falls hardest on low-income districts least able to adapt.

6 Solutions 0 Sub-issues

#00014Homelessness in Cape Town<br>An estimated 14,000+ people sleep rough or in temporary shelters across Cape Town, driven by job loss, mental illness, eviction, addiction and structural housing exclusion. Municipal response oscillates between law-enforcement displacement and small-scale NGO provision — neither

Cape Town, South Africacity<br>0 Solutions 2 Sub-issues

#00140Firework Debris Pollution<br>Firework debris is hazardous to clean up due to the chemicals involved, and is often set off at night making immediate cleanup impractical—meaning much of it is lost before beach cleans occur days later.

Kennebunk, York County, Mainecity<br>0 Solutions 0 Sub-issues

#00145Railway networks are a common, highly lethal site of suicide<br>Rail passengers, workers and drivers across national networks face frequent suicides on tracks and platforms — roughly 2,500/yr in Europe and 4–14% of some countries' total suicides — a highly lethal, largely preventable method whose deaths are also systematically undercounted.

0 Solutions 5 Sub-issues

See all 31 issues →<br>IssuesThe full directory of 133 issues, filterable by topic or UN goalSolutions247 proposed approaches, from first plans to finished projectsCase studies272 documented implementations, including the failuresMapEverything in the catalog that names a placeTopics233 topics to browse the catalog byContributeNodes that need evidence, sources, or costs. Pick one and improve itGuidesHow to write issues, solutions, and case studies worth replicatingWhitepaperWhy CommunityFix exists, its principles, and how the catalog is meant to be used

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