Notes for Lanai island from an amateur: Hemp is useful for soil remediation because it's so absorbent; which is part of why testing is important. Is there alr

Notes for Lanai island from an amateur: Hemp is useful for soil remediation because it's so absorbent; which is part of why testing is important. Is there already a composting business? Do the schools etc. already compost waste food? "Show HN: We open-sourced our compost monitoring tech" https://news.ycombinator.com/item?id=42201207 https://news.ycombinator.com/item?id=42201207 Canadian greenhouses? Chinese-Mongolian-Canadian greenhouses are wing shaped and set against a berm; "Passive Solar Greenhouse Technology From China?" https://youtube.com/watch?v=FOgyK6Jieq0& https://youtube.com/watch?v=FOgyK6Jieq0& Transparent wood requires extracting the lignin. Transparent aluminum requires a production process, too. There are polycarbonate hurricane panels. Reflective material on one wall of the wallipini greenhouse (and geothermal) is enough to grow citrus fruit through the winter in Alliance, Nebraska. https://news.ycombinator.com/item?id=39927538 https://news.ycombinator.com/item?id=39927538 Glass allows more wavelengths of light through than plastic or recyclable polycarbonate; including UV-C, which is sanitizing Hydrogen peroxide cleans out fish tanks FWIU. Various plastics are food safe, but not when they've been in the sun all day. To make aircrete, you add soap bubbles to concrete with an air compressor. /? aircrete dome build in HI and ground anchors Catalan masonry vault roofs (in Spain, Italy, Mexico, Arizona,) are strong, don't require temporary arches, and passively cool most efficiently when they have an oculus to let the heat rise out of the dome to openable vents to the wind. U.S. state and territory temperature extremes: https://en.wikipedia.org/wiki/U.S._state_and_territory_temperature_extremes https://en.wikipedia.org/wiki/U.S._state_and_territory_tempe... : > Hawaii: 15 °F (−9.4 °C) to 100 °F (37.8 °C) > Nebraska: -47 °F (−43.9 °C) to 118 °F (47.8 °C) "140-year-old ocean heat tech could supply islands with limitless energy" https://news.ycombinator.com/item?id=38222695 https://news.ycombinator.com/item?id=38222695 : > OTEC: https://en.wikipedia.org/wiki/Ocean_thermal_energy_conversion https://en.wikipedia.org/wiki/Ocean_thermal_energy_conversio... North Carolina is ranked 4th in solar, has solar farms, and has hurricanes (and totally round homes on stilts). FWIU there are hurricane-rated solar panels, flexible racks, ground mounts. https://insideclimatenews.org/news/20092018/hurricane-florence-solar-panel-energy-resilience-extreme-weather-damage-wind-flooding/ https://insideclimatenews.org/news/20092018/hurricane-floren... "Sargablock: Bricks from Seaweed" https://news.ycombinator.com/item?id=37188180 https://news.ycombinator.com/item?id=37188180 "Turning pineapple skins into soap and other cleaning products" https://www.businessinsider.com/turning-pineapple-skins-into-soap-and-other-cleaning-products-2023-3 https://www.businessinsider.com/turning-pineapple-skins-into... "Costa Rica Let a Juice Company Dump Their Orange Peels in the Forest—and It Helped" https://www.smithsonianmag.com/innovation/costa-rica-let-juice-company-dump-their-orange-peels-forestand-it-helped-180964666/ https://www.smithsonianmag.com/innovation/costa-rica-let-jui... https://www.sciencealert.com/how-12-000-tonnes-of-dumped-orange-peel-produced-something-nobody-imagined https://www.sciencealert.com/how-12-000-tonnes-of-dumped-ora...