29 November 2022
- 20:2120:21, 29 November 2022 diff hist +498 Appropriate Technology Collaborative Changed Guatemala office location and added 2 photos Tag: Visual edit
- 20:1720:17, 29 November 2022 diff hist +134 N File:Mayan Women Learn Solar.jpg No edit summary
8 February 2021
- 17:4017:40, 8 February 2021 diff hist +63 m Appropriate Technology Collaborative →Mission statement: Changed photo Tag: Visual edit
- 17:3817:38, 8 February 2021 diff hist +13 m Appropriate Technology Collaborative →Mission statement: Deleted bad link Tag: Visual edit
27 March 2019
- 16:3216:32, 27 March 2019 diff hist −131 List of appropriate technology organizations →Sources & other lists: deleted dead link: * [http://members.tripod.com/~cturare/at.htm Appropriate Technology] - Institutions & organisations, publications and information.
- 16:2916:29, 27 March 2019 diff hist +116 List of appropriate technology organizations →North America: Added The Appropriate Technology Collaborative with link to Wikipedia page.
2 March 2019
- 19:4819:48, 2 March 2019 diff hist +60 Appropriate technology →Other practitioners and advocates: Added John Barrie, whose program is recognized by UN. Sustainia program as top 100 sustainable enterprise
- 19:0219:02, 2 March 2019 diff hist +6,432 Appropriate Technology Collaborative Added text and links from Wikipedia page on The Appropriate Technology Collaborative
1 February 2019
- 22:0522:05, 1 February 2019 diff hist +155 N File:MSU Solar Vaccine Refrigerator.JPG Proof of concept solar vaccine refrigerator. This working model was built in Guatemala in just four days.
7 December 2018
- 21:4121:41, 7 December 2018 diff hist +12 Appropriate Technology Collaborative No edit summary
- 21:2721:27, 7 December 2018 diff hist +148 N File:MSU Treadle Pump.JPG Prototype treadle pump. Attribution: The Appropriate Technology Collaborative www.apptechdesign.org
- 21:2021:20, 7 December 2018 diff hist −53 m Appropriate Technology Collaborative Updated links
18 January 2018
- 21:3021:30, 18 January 2018 diff hist −34 Appropriate Technology Collaborative No edit summary
- 21:2021:20, 18 January 2018 diff hist +1 Appropriate Technology Collaborative No edit summary
28 February 2017
- 21:5221:52, 28 February 2017 diff hist +88 Appropriate Technology Collaborative No edit summary