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• How to Plan a Micro Hydro-power Plant
  ...rom falling water; for example, harnessing enough water from a local river to power a small factory or village. This fact sheet will concentrate mainly a From 5kW up to 100 kW; usually provided power for a small community or rural industry in r
  22 KB (3,416 words) - 19:22, 17 November 2010
• Emergency Preparedness
  #[[How to Mobilize Help]] #[[How to Restore Emergency Communications]]
  1 KB (147 words) - 15:17, 9 September 2010
• How to Fight Soil Erosion by planting Vetiver Grass
  *'''Geographic Area:'''Tropical to semi-arid areas, needs sun. ...he hedge is usually already fully effective. Terraces usually form after 3 to 4 years.<br>
  11 KB (1,585 words) - 10:33, 31 May 2017
• Education
  #[[How to Encourage Girls' Scholarization]] #[[How to Do Science Experiments with Local Resources]]
  1 KB (147 words) - 18:07, 22 July 2010
• How to Grow Neem Trees
  ...he tree grows naturally in areas where the rainfall is in the range of 450 to 1200 mm. However, it has been introduced successfully even in areas where t *'''HOW LONG DOES IT TAKE TO REACH MATURITY''' ?
  21 KB (3,338 words) - 14:51, 26 May 2015
• How to Build the ARTI Compact Biogas Digestor
  *'''Idea:'''A very efficient process of biomethanisation thanks to high calorie content of the waste used for the bacteriological digestion. T *'''Difficulty:'''Construction: easy to medium, use: easy. The digester should be kept at temperatures between 32 &
  20 KB (3,136 words) - 15:41, 17 September 2010
• How to Use Neem as a Natural Pesticide
  '''Tamil:''' vembu, veppan ...are biodegradable; and they appear unlikely to quickly lose their potency to a buildup of genetic resistance in the pests.<br>
  8 KB (1,197 words) - 14:42, 15 March 2015
• Donate
  '''Support our work, help us to continue to write and translate more practical articles on simple technologies!'''<br> howtopedia relies entirely on donations to fund the project.<br>
  2 KB (325 words) - 16:46, 24 August 2010
• Agroforestry, Environment and Biodiversity
  ====How to Fight Soil Erosion==== #[[How to Fight Sandy Soil's Erosion]]
  2 KB (301 words) - 19:53, 20 July 2010
• Cooling and Heating
  ====How to Make Cooling Systems==== #[[How to Build an Air Conditioning]]
  1 KB (148 words) - 12:00, 5 May 2011
• To Do List
  This page lists the tasks needed to be done, what groups there are to join, and share news about recent events or current activities on howtopedi ...ApplicationForm|here]] or contact us at '''info@howtopedia.org''' in order to get an user ID and Password. <br>
  6 KB (836 words) - 13:05, 20 August 2010

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