Engineering for Change

Interest: Waste to fertilizer

Interest: Waste to fertilizer

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  • Waste to fertilizer

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  • Hello. It's always important to question metrics, and global standardization will always have its drawbacks. Having said this, I think it is critical to acknowledge the big leap in comparative understanding that should come out of moving from the MDG's "improved" metrics that you discuss to the 'saf...

    Are one-size-fits-all metrics for global WASH really appropriate?
    edward.bourque@gmail.com
  • Awesome article Riley! I've always wondered how they came up with the definition of safe/unsafely managed water or sanitation. It also completely ignores that not all water needs to be safe- if its just used for irrigation or washing then it is alright.

    Are one-size-fits-all metrics for global WASH really appropriate?
    Anna - E4C Fellow
  • […] Building with compressed-earth blocks makes sense, and not just because most of the construction materials are right under our feet. Earthen walls regulate temperatures, dampen sound, repel mold and, with the right build, they can resist earthquakes, fires and other disasters. [For more on...

    Five Questions with Jim Hallock
    How to Build a Compressed Earth Block Home - Abundant Earth Global CDC
  • mwapeca
  • Wow,thank you for the guide. I have just been selected as a mentor a student boys club in my school,in Ghana and we shall be also engaging in science, and or technology related activities including climate change related activities. I am a non professional teacher in a junior school, Darul Hardis JH...

    DIY Solar Panel: A step-by-step how-to guide
    Bashiru Seidu Zimpa
  • Narayan Seva Sansthan’ is one of the best non profit Charity Organization that was established in the year 1985 with a fistful of flour and with a view to serve the patients belonging to the poorest of the poor sections of the society through the ‘free of cost’ corrective surgeries of patients suffe...

    A new charitable giving platform vets Indian nonprofits to give donors peace of mind
    seva.sansthan85
  • foni_pioneer@yahoo.com
  • "Ocean tidal energy has the potential to provide unlimited gigawatts of power worldwide" https://www.technologyreview.com/s/537656/why-hasnt-tidal-power-taken-off/ Unlimited source of energy “Ocean tide” can provide low cost zero emission reliable electricity (unlimited). Tidal energy Is the form of...

    Energy Access and Requirements of Rural Communities
    babupgcb@gmail.com
  • Iana Aranda says: As per Bob: reliable source of power or electrical storage and/or backup power is required. This limits the application to where this type of power is available. UV if applied appropriately can be both a safe and effective means of sterilization.

    Sterilux Steribox and Control Station
    E4C.COMMENTS
  • foni_pioneer@yahoo.com

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