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Vamos a crear un compendio de moda equitativa y sustentable durante la Fashion Revolution Week (19-25 abril 2021).

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From Engr305 Appropriate Technology Projects § AEF

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  AEF food dehydrator
  A solar dehydrator to help preserve surplus crops

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  AEF greywater
  Greywater system at the CSA, Arcata Educational Farm

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  AEF informational kiosk
  An earthen informational kiosk

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  AEF photovoltaic system
  Modified off-grid photovoltaic system

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  AEF solar water heater
  Improved solar water heating system

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  AEF spiral herb garden
  Restored the existing herb spiral

Community Action for Sustainability News

• UK to speed up target to cut carbon emissions, Apr 20 [1]
• World's wealthiest 'at heart of climate problem', Apr 13 [2] ...UK Climate news 2021
• France to ban some domestic flights where train available, Apr 12 [3]
• The Hope for Lasting Change from a South Dallas Mobile Food Park, Apr 7 [4] ...Texas
• Spain to launch trial of four-day working week, Mar 15 [5]

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From Micro filter dams at Pedregal

Small walls made of loose stones wrapped in fencing or some other strong permeable material and built between a water source and a water inlet, to allow water to flow through unimpeded, while stopping sediments

Microfilter dams, also called Rock filter dams or Block and Gravel Inlet Protection, can help stop sand, silt, gravel, and rocks which are eroded by rain or carried in the current from entering a water inlet. The microfilter dams are small walls made of loose stones wrapped in fencing or some other strong permeable material and built between a water source and a water inlet, to allow water to flow through unimpeded, while stopping sediments. These micro filter dams reduce river, storm drain, or open rain catchment tank sedimentation. Though leaving as much of the soil as undisturbed as possible is the best practice for reducing sedimentation, micro-filters can help restore areas already experiencing prior erosion and land disturbance like from deforestation as at Pedregal. Micro-filter dams also give more time for water to filter into the local groundwater, in a similar way to a swale. The design tries to recreate what happens naturally in a healthy stream, which is the formation of pools and steps, which in turn serve as habitat to many plants and animals. At Pedregal microfilter dams are combined with Filter Strips, or wide belts of vegetation that slow water down to increase infiltration and intercept or absorb sediments and other contaminants. This is one project in a series of soil conservation, groundwater recharge, and farming demonstration projects at Pedregal a Permaculture Demonstration Center in San Andres Huayapam, Mexico.

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E. F. Schumacher

Perhaps we cannot raise the winds. But each of us can put up the sail, so that when the wind comes we can catch it.

— E. F. Schumacher

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