15 simple DIY constructions for solar heater

You can easily construct DIY solar heaters. In this video you will find many fresh ideas for your future homemade solar heater. To understand better what it is all about it highly recommended that you will first look the next video before seeing this video. That way you will better understand the basic thinking and constructions in this video.

Growing Crops in the Desert. Could sea water be used to produce more food?

Here are four interesting videos about how to use sea water to grow plants. Could this resolve the global shortage of water to grow more food?

Farming with sea water. How it is done? Experimenting with salty water to grow plants!

Sea water into Fresh water. Large scale projects in the world already on the way.

Growing food in the desert.