#infrastructure

Wildfire can disable water, power, telecommunications, health facilities and transport exactly when communities and responders depend on them most.

Development in fire-prone landscapes, combustible buildings, and fragile utilities expose communities to ember storms, structure-to-structure spread, and infrastructure failure.

Almost all electricity a data-center draws leaves as low-grade heat at 30–40 °C, typically rejected to air. Neighbouring buildings burn gas to produce the same heat. Where reuse works it is substantial, but temperature, price, infrastructure, and regulatory gaps block it nearly e

PJM's independent market monitor attributed 38% of the latest capacity auction cost to data-centers. Speculative interconnection requests inflate queues further, and where cost-allocation rules are unchanged the resulting charges spread across all customers.

data-center chillers and fans emit steady tonal and low-frequency sound. Ordinances measure broadband dB(A), which misses the 90 Hz-range tones residents report, so a facility can be simultaneously compliant and intolerable. Modelled buildout reached 77 dB(A) 180 feet from homes.

Residents near hyperscale data-centers bear concentrated cooling noise, water draw, generator emissions and grid cost shifts, while the compute benefits accrue regionally or nationally. US opposition groups grew from 396 to 833 across 49 states in three months.

Some cities run dry not from drought but from decades of underinvestment. Johannesburg loses ~45% of its water to leaks and illegal connections and endures rolling outages even when reservoirs hold water; Mexico City loses ~40%.

Open, unfenced access to the track edge at stations and along the line makes rail an immediately available, highly lethal suicide method — dangerous especially during short-lived impulsive crises, which account for roughly a third of attempts.

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.

Utility-scale solar needs roughly 5–7 acres per MW, putting large arrays in direct competition with farmland, habitat, and communities. Local siting conflict and permitting friction — not raw land scarcity — are what throttle deployment speed.

Most widely-publicised ceramic cooler designs (bloc°, TerraCool) are studio or exhibition prototypes with no street deployment record. CoolAnt/Ant Studio is the exception. Terracotta durability, scaling, biofouling, pump upkeep, and multi-season public-realm performance remain un

The dominant failure mode of decentralized water infrastructure is not installation — it's what happens in year two and beyond. ~58% of handpumps in sub-Saharan Africa are non-functional at any time, representing $1.2–1.5B in stranded investment over two decades.

Specific streets and low points flood repeatedly in heavy rain — from clogged drains or drainage never sized for today's storm intensity — causing recurring property damage and access hazards that stay below the threshold for major capital fixes.

Simulate departure timing, traffic, fire spread, road failure and assisted evacuation to identify scenarios in which current routes cannot reach safety.

Redesign exposed critical networks and components to keep essential services operating through plausible wildfire heat, smoke, debris and outage conditions.

Put customers above roughly 25 MW in their own rate class, obliged to pay for 85% of contracted capacity for 12–14 years with collateral and exit fees. After Ohio approved one, the utility's large-load forecast fell by half, revealing much of the queue as speculative.

Put facilities in worked-out mines, rock caverns, and decommissioned bunkers, where stable rock temperature, natural cold water, and hundreds of feet of overburden remove noise and visual impact. Operating commercially for years at Lefdal in Norway and Iron Mountain in Pennsylvan

Seal servers in nitrogen-filled modules on the seabed or floating platforms, using seawater as the heat sink and removing the facility from any residential area. Demonstrated at 24 MW in Shanghai. Microsoft proved the concept off Orkney, then declined to commercialise it.

Install full-height platform screen doors (PSDs) — floor-to-ceiling barriers with sliding doors aligned to train doors — to physically seal the platform edge and eliminate track access at stations. This intervention has the strongest evidence of any rail-suicide measure.

Lay PV in the gap between rails (removable panels, e.g. Sun-Ways) or integrate cells into replacement sleepers (e.g. Greenrail), reusing sealed rail corridors without new land. More promising than road-surface PV because trains pass intermittently rather than braking and grinding

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

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 fence from seabed to surface and shore to shore fully encloses a swim area, keeping sharks out without trapping or killing wildlife. Inside the enclosure protection is near-absolute, but it suits sheltered beaches only and protects just that zone, not the open surf.

A central plant chills water and pipes it underground to many buildings, replacing individual AC units. It rejects waste heat away from street level, cutting energy use per unit of cooling and the anthropogenic heat that feeds the urban heat island.

Replace dark, heat-absorbing roofs and pavement with high-albedo reflective surfaces — cool roofs, light-colored or coated pavement — to reflect sunlight rather than retain it. Acts fast and scales through building codes and repaving cycles.

Virginia's State Corporation Commission approved a new GS-5 rate class for customers at or above 25 MW with a 75% load factor, effective 1 January 2027. Terms include a 14-year minimum contract, payment of at least 85%…

The Public Utilities Commission of Ohio approved a dedicated tariff for data-center customers on 9 July 2025, on application by AEP Ohio. Customers at or above 25 MW must pay for at least 85% of contracted capacity rega…

Nautilus Data Technologies commissioned a Tier III certified floating barge data-center on the Stockton, California waterway in 2021, providing 6.5 MW of critical IT load across ~20,000 sq ft at rack densities of ~55 kW…

The only commercial-scale underwater data-center in operation as of 2026. Servers sit in sealed watertight units offshore from Lingang, positioned between phases of an existing offshore wind farm; construction completed…

Microsoft deployed a sealed, nitrogen-filled cylindrical vessel containing 864 servers to the seabed at 117 feet off Orkney, powered by the islands' wind and solar grid, and retrieved it two years later. Phase 1 had bee…

The Million Cool Roofs Challenge (2019–2022) awarded 125,000 USD grants to 10 teams across 10 countries to scale reflective roof coatings, funded by the Kigali Cooling Efficiency Program (Clean Cooling Collaborative) wi…

Since roughly the mid-2010s, the Mahila Housing Trust has run a women-led cool roofs program in which residents of informal settlements paint their own roofs with solar-reflective paint. Delivery runs through women's Co…

Platform screen doors installed across the Hong Kong MTR were associated with a 59.9% reduction in railway suicides, with no evidence of substitution to unsealed platforms. The lower reduction compared to other cities p…

Using monthly panel data from 94 stations over 2008–2017, suicides in the Shanghai metro declined by 90.9% after platform screen doors were installed. The study found no significant evidence of displacement to railway s…

Platform screen doors were installed across Seoul metropolitan subway stations and evaluated using 10 years of monthly data from 121 stations with Poisson regression. Full-height PSDs achieved near-complete elimination…

Bankset Energy tested sleeper-clip PV panels at Deutsche Bahn's Erzgebirge (Ore Mountains) test field, claiming ~0.1 MW per km and announcing 200 MW across 1,000 km in Saxony in 2018. No independent verification of the…

The "solar sleeper" variant of the rail PV concept: Greenrail integrates PV cells into replacement sleepers cast partly from recycled tyres and plastic (~35 t of waste repurposed per km), so the sleeper itself generates…

The first removable inter-rail PV system on a line open to traffic. In April 2025, Sun-Ways installed 48 panels (~18 kW) along a 100 m active stretch near Buttes, Neuchâtel, using a Scheuchzer track machine that unrolls…

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…

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…

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…

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"…

After a four-month trial at Coogee Beach (December 2013–April 2014), the City of Cockburn installed an Eco Shark Barrier made of rigid plastic mesh panels that exclude sharks while letting small marine life pass, avoidi…

Hong Kong introduced seabed-to-surface shark prevention barriers in the early-to-mid 1990s after a cluster of fatal attacks between 1991 and 1995. Unlike gillnets, the barriers fully enclose the swimming area from seabe…

Marina Bay is served by what operators describe as the world's largest underground district cooling system, operational since 2006 and built into a master-planned new downtown. Central chilled-water plants supply connec…

Phoenix coated 36 miles of residential roadway and a parking lot with a light-gray reflective "CoolSeal" treatment and conducted a multi-year evaluation with Arizona State University — the largest cool-pavement deployme…

Los Angeles, where average temperatures run nearly six degrees hotter than surrounding areas, adopted cool-surface measures alongside a measurable temperature target. Its Sustainable City pLAn set a goal to reduce the l…

After Newark recorded 103°F in June 2025 — breaking its previous June high by six degrees — New Jersey launched a $5 million Urban Heat Island Mitigation Program through the Board of Public Utilities, funded by the stat…