China has its Great Wall that used to guard off foreign raiders, Westeros has the Wall in the North to stop white walkers, and since a couple of years, a group of African countries is working on its very own Great Green Wall. Sounds impressive, isn’t it? Truth be told, it’s not a real wall. But one day, it will be great.
The Great Green Wall stretches 11 countries, from Senegal to Djibouti (graph: National Geographic)
If you are a traditional farmer, you’ll need water and energy to grow your produce. And you’ll need lots of it. The challenge is that they are finite resources that are becoming ever scarcer. Our solution? Not to use them!
Sundrop’s website bulges of this kind of statements. It is clear that the South Australia-based farm is pretty proud of their achievements over the last six years. In cooperation with an international team of scientists, they developed a commercial farm that runs on solar power and seawater. Yes, you read that right: they are producing tomatoes with just salt water from the nearby Spencer Gulf and the energy captured by a solar power plant.
