Issues, solutions, and case studies for innovation
Found 31 nodes with this tag: 8 issues · 10 solutions · 13 case studies
Running software and AI models consumes electricity whose CO2 cost varies by grid and workload, but the default toolchain reports latency, cost and accuracy and almost never emissions. Invisible to the people who could reduce it, the footprint goes unmanaged and unoptimised.
The levers that make the refill model profitable (route-density engineering, cutoff batching, automation) are the same ones that cut labour per delivery. Higher operator profit and many stable jobs cannot both be maximised, so job creation must be a deliberate, costed choice.
The hotels-first plan assumes a home-refill business grows naturally out of the B2B phase, but they differ in product, sales motion, margins and logistics. Direct-to-consumer also reintroduces the dispersed-household friction the hotel approach was specifically chosen to avoid.
Selling concentrate assumes it reconstitutes into the same product at home. That needs real reformulation: predictable dilution across varied tap water, dry-state shelf stability, sensory parity with conventional products, and a preservative that works once water is added.
The closed loop is far cheaper with standardised, interoperable containers, but the bottle is a core branding asset and brands have real reasons to resist a shared container they do not control. The question is how to win standardisation without erasing brand differentiation.
The closed-loop swap shifts reverse-logistics cost onto the operator, who must collect, sanitise and refill containers. Whether the model beats plastic rests on the measured per-cycle cleaning cost (water, energy, detergent, wear, reject rate) and the number of reuse cycles.
Refill schemes that lean on consumer goodwill or regulation are fragile: goodwill stays niche, and regulation can be repealed and is fought by incumbents. A refill system only becomes permanent when it is genuinely more profitable for the operator than single-use plastic.
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.
When a generative model is called through a provider's API, hardware cannot be metered. Estimate per-request energy and CO2 from model size, token counts, and data-centre assumptions using a life-cycle method, giving API consumers an impact figure they otherwise cannot obtain.
Replace or overlay road/path surfaces with load-bearing PV panels that vehicles travel over. Every real-world pilot has under-delivered or failed: flat orientation, traffic wear, and 8–360× higher cost versus equivalent off-road panels make it a cautionary approach rather than a
Manufacture antivenom as a defined cocktail of recombinant human monoclonal antibodies targeting conserved toxin families (3FTx, PLA2, SVMP, SVSP), replacing dozens of narrow regional polyclonal sera with a small number of broad-spectrum products split roughly by neurotoxic-elapi
Embed the cause inside a product people already use daily (a search engine, a current account, a consumer good) and route its profits to the mission. Impact then grows with ordinary adoption and ad/transaction revenue, not with donor cycles or grant rounds.
Split voting from economic rights: put voting stock in an irrevocable purpose trust whose deed binds the company to its mission, and give non-voting economic stock to a mission nonprofit so profits fund the cause. The company stays for-profit but can never be sold away from its p
Use camera surveys (handheld, vehicle- or drone-mounted) with machine-vision models to automatically detect, count and classify litter over large areas — producing objective, repeatable density data to target action and rigorously measure whether interventions worked.
Redesign bins to capture more litter: make disposal a small game or 'vote', place and size them where litter actually occurs, and use fill-sensors so they don't overflow. Turning the right choice into the fun, convenient choice measurably cuts nearby litter.
A femtosecond-laser-textured aluminium panel wicks seawater uphill across its face, absorbs ~92% of sunlight to evaporate it, and uses the coffee-ring effect plus salt creeping to push crystallised salt to the panel edges — self-cleaning, no membranes, no chemicals, no electricit
Launch refill in hotels and multi-unit buildings before going direct-to-consumer. These give free route density (many units per address), a rational B2B buyer not fragile consumer goodwill, contract-based predictable demand, and a cheap place to prove the cleaning economics.
An open platform structuring civic problem-solving as a shared graph: issues split into sub-issues, each issue gathers competing solutions, and every solution collects case studies with real outcomes, costs and metrics. Semantic search and voting keep it navigable and honest.
GenAI Impact (a Data For Good collective), now part of the CodeCarbon non-profit · Global
EcoLogits is an open-source Python library that estimates energy and multi-criteria environmental impacts of generative AI API calls. It patches provider Python client libraries (OpenAI, Anthropic, Mistral AI, Cohere, G…
2 sources
SolaRoad consortium (TNO, Province of North Holland, and partners) · 2014–2019 · Neighborhood
SolaRoad opened a 72 m solar cycle path in Krommenie in October 2014 (later extended to ~90 m), operated by the SolaRoad consortium (TNO, Province of North Holland, and partners). Because the load was limited to cyclist…
Province of North Holland and consortium partners · 1 source
Colas (Bouygues subsidiary) with the French National Institute for Solar Energy (INES) · 2016–2019 · City
Colas opened a ~1 km "Wattway" solar road (~2,800 m² of resin-encapsulated PV cells bonded onto an existing road surface) in Tourouvre-au-Perche, Normandy, in December 2016, co-developed with the French National Institu…
French state subsidy · 1 source
Solar Roadways Inc. · 2016–2018 · Neighborhood
The most publicized test of surface-embedded PV. Solar Roadways Inc. installed ~30 hexagonal PV tiles (~13.9 m²) in a public square in Sandpoint, Idaho, funded by ~US$2.2M in Indiegogo crowdfunding plus US Department of…
$60K · Indiegogo crowdfunding (~US$2.2M raised) plus US Department of Transportation / federal grants · 3 sources
Centivax, Inc.; Columbia University; NIAID (US National Institute of Allergy and Infectious Diseases) · Global
Researchers isolated broadly-neutralizing IgG antibodies from the memory B-cells of a human donor (Tim Friede) who had self-immunized with escalating venom doses from 16 lethal elapid species over ~18 years. Two antibod…
2 sources
Ecosia GmbH · 2022–2025 · Global
Freetree was Ecosia's browser extension that monetised online shopping via affiliate commissions (revenue paid by merchants for referred sales) and channelled proceeds into Ecosia's tree-planting programme. Launched in…
Affiliate shopping commission · 1 source
Patagonia, Inc. (Yvon Chouinard and family) · since 2022 · Global
On 14 September 2022, the Chouinard family transferred 100% of Patagonia into two new entities, splitting control from economics. The Patagonia Purpose Trust received all voting stock (2% of total shares) via an irr…
Company profits distributed as annual dividend to the Holdfast Collective · 3 sources
Ellipsis Earth · National
Ellipsis Earth deployed camera-based machine-vision surveys to provide objective before/after litter density and composition data for Hubbub's Ballot Bin and Big Ballot Bin interventions in the UK, serving as the measur…
2 sources
Hubbub (with Manchester City Council, Southampton City Council, KFC) · since 2023 · City
An eight-week 2023 pilot of the "Big Ballot Bin" — a general-waste version of Hubbub's cigarette voting bin — placing voting bins at litter hotspots in Manchester (and Southampton), with KFC as a partner. People "vote"…
1 source
Guo Lab, The Institute of Optics, University of Rochester (Tang, Singh, Wei, Xu, Guo) · since 2024 · Neighborhood
Laboratory and rooftop proof-of-concept of the femtosecond-laser-textured superwicking black aluminium interfacial crystallizer (ABF-STIC) using real ocean water from the Atlantic, Pacific, and Indian Oceans. A 7-day co…
US National Science Foundation; Bill & Melinda Gates Foundation; Worldwide Universities Network · 1 source
Marriott International · 2019–2020 · Global
Marriott International, the world's largest hotel chain (7,000+ properties across 30 brands), announced in 2019 that it would eliminate single-use small plastic toiletry bottles of shampoo, conditioner and bath gel from…
Marriott International (corporate operating decision) · 2 sources
State of California (Assemblymember Ash Kalra; Governor Gavin Newsom) · since 2023 · Region
California Assembly Bill 1162, authored by Assemblymember Ash Kalra and signed by Governor Gavin Newsom in October 2019, prohibits lodging establishments — hotels, motels, resorts, bed-and-breakfasts and vacation rental…
State legislation (no direct programme cost); compliance costs borne by lodging establishments · 2 sources
Arnaud Gissinger · since 2026 · Global
CommunityFix.org was designed and built solo as an open-source civic-tech project. The premise: the bottleneck in local problem-solving is not a shortage of ideas but the absence of a structured, shared place to record…
Self-funded (solo founder) · 2 sources