P01 The Convenient Solution - Dennis Karpes - Just digg It
Published by Stefan J. Flos, waterTv.nl - Consultant - Managing Director at SJF projects & support / h2video.nl in Non Profit
Inspirational talk about how we can digg the world wet: www.justdiggit.org
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Category: Non Profit
- Agriculture
- Water Supply
- Hydrology
- Education