Conversations matching "declining resources"
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Maintaining human civilization by focusing on the key challenges of our time: energy, food and resource depletion.
Started by Stephen G. Davis, Laguna Hills, CA, United States
Started by Sina Elli, Tehran, Iran
Pyrolysium wants to introduce pyrolysis as an energy-efficient green way to deal with human remains.
Started by Egidius Kuhlmann, Arnhem, Netherlands
Started by Bob Kirkpatrick, Spokane, WA, United States