New book - 'Building a Better World in Your Backyard' - on Kickstarter (sponsored friend)
The following are calculators for Rainwater Catchment (aka Rainwater Harvesting):
- https://cantaroazul.shinyapps.io/calculadora/ (in Spanish and quite comprehensive)
- http://www.pequals.com/rain (map function currently not working)
|This page is a "stub" - it needs more content.
You are invited to.