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mart's user avatar
mart
  • Member for 11 years, 3 months
  • Last seen more than 1 year ago
16 votes
6 answers
3k views

What are freely available tools or databases for Lifecycle Assesment?

13 votes
1 answer
103 views

Co-firing fossil fuels use in waste incineration

12 votes
4 answers
407 views

Is biochar actually a viable way of carbon sequestration?

11 votes
4 answers
425 views

How much wood can I burn sustainably, carbon neutral and in an ecologically responsible way from a forest?

9 votes
1 answer
183 views

Tissues or cloth to clean a baby - what's more sustainable?

9 votes
1 answer
80 views

Where can I find a detailed technical description of a system to use Biogas as a Vehicle fuel?

7 votes
2 answers
457 views

Are there any experiences with small-scale duckweed farming using domestic wastes or wastewater?

6 votes
1 answer
78 views

Reference request - Farm level, multi year comparison between organic and conventional agriculture

5 votes
1 answer
48 views

Reference request - Overview over established solar thermal desalination technologies

4 votes
1 answer
1k views

Carbon footprint of CNG vs. Diesel as a vehicle fuel

4 votes
1 answer
197 views

Where can I find an in-depth treatment of a Pulser Pump?

3 votes
1 answer
121 views

Are there solar concentrator builds that work without tracking?