Appropriate technology

Inspired by Appropriate technology: practical solarpunk projects you can start or join today.

Tools sized for real needs and repair.

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Top ideas for Appropriate technology

Hofflohmärkte, neighbourhood courtyard flea markets

Browse linked tour plans through your Viertel Hofflohmärkte is a Germany-wide reuse programme: residents register a private courtyard, garden, or garage and sell pre-loved goods while neighbours follow a linked tour plan through the district. The platform runs in 30+ cities and 300+ neighbourhoods; initiator René Götz operates registration, participants organise their own courtyards. What you can do - Download the tour plan PDF for your Viertel (published about one week before each market day) - Walk the linked addresses and buy second-hand treasures from neighbours - Register your own Hof if you have landlord approval and goods to pass on How it works - Sales stay on private ground only, not sidewalks or public space - Typical hours: Saturdays 10–16, Sundays 11–16 (Munich also runs selected Friday evenings with M-net sponsorship) - No food sales; private sellers only, professional dealers are not welcome - Registration closes three weeks before each date for tour-plan marking; late sign-ups are accepted but may not appear on the map - Organisers may cancel a date if fewer than 30 courtyards register, fees are then refunded About Hofflohmärkte Neighbours register a private Hof, Garten, or Garage on Hofflohmärkte and sell used goods on scheduled Viertel days. Registered addresses appear on a tour plan published about one week before each date. Sales happen on private ground only. See city pages for local schedules and Spielregeln & Tipps for seller rules. Why it matters Every item re-homed from a courtyard is one less thing bought new or landfilled, and a chance to meet the people who live behind the front doors. Source & repost Shared here so you can get inspired or find action already happening near you. Solarpunker does not own or organise it. Source: Hofflohmärkte · Rules: Spielregeln & Tipps. Platform operator: René Götz, participants organise their own courtyards.

Upcoming initiatives for Appropriate technology

LeipzigThu, Jun 4

Clothing repair workshop at Wiederschön

Neues Leben für alte Kleidung Learn to patch rips, sew buttons, and refresh garments you already own. Bring your own project; a small amount of practice material is available. When & where - Thursday 4 June 2026, 17:00-19:00 CEST - Konzeptladen Wiederschön, Höfe am Brühl, 1st floor (near Müller) Registration Places are limited: register via the organiser (see event page / Instagram). Confirm before travelling. Source & repost Solarpunker reposts this event listing. Event page · Termine · Organiser: Stadtreinigung Leipzig
CologneSun, Jul 5

Glass rescue along the Pride parade

Help return Pfand glass during Cologne Pride Zero Waste Köln collects deposit bottles along the CSD parade so they re-enter the Mehrweg system instead of street-side residual bins. When & where - Sunday 5 July 2026 (all-day along the CSD parade route) - Cologne city centre, exact meeting point still being planned (map pin approximate) How to join Email aktionen@zerowastekoeln.de to get updates. Whether volunteers walk in the parade or run a static collection point is still being decided: either way, expect a high-energy, high-impact day. Source & repost Solarpunker reposts this event listing. Event page · Kalender · Organiser: Zero Waste Köln e.V.
KielDate TBD

Bibliothek der Dinge at Zentralbücherei

Four-week loans for tools and party gear Borrow items you rarely need: the city library runs a Bibliothek der Dinge alongside books at the Zentralbücherei and Bücherei Gaarden. When & where - Zentralbücherei, Andreas-Gayk-Straße 31, 24103 Kiel - Check library opening hours and the online catalogue before visiting Source & repost Shared here so you can get inspired or find action already happening near you. Solarpunker does not own or organise it. Household overview: Zero Waste Haushalte · Programme hub: Zero.Waste.City Kiel
BudapestDate TBD

MOHU reverse-vending return points: Budapest supermarkets

Return DRS bottles and cans at participating stores MOHU operates Hungary's national deposit return system under the 35-year waste concession, reverse-vending machines at larger supermarkets accept marked drink containers and pay 50 Ft per eligible bottle or can. Find a machine at grocery stores with 400 m²+ sales floors; smaller shops may join voluntarily. What to do - Rinse containers, check the DRS label, and feed them into the reverse-vending machine during your weekly shop - Pool neighbours' bags through a stairwell brigade (see linked idea) instead of making separate trips - Read MOHU: A koncesszió for how the concession funds new return infrastructure When & where - Ongoing, participating supermarkets across Budapest (approximate pin: 47.4979, 19.0402; use in-store machines at major grocery chains) - Machines operate during shop opening hours Source & repost Shared here so you can get inspired or find action already happening near you. Solarpunker does not own or organise it. Source: MOHU: A koncesszió · RSM Hungary: DRS overview.