Australia’s Sundrop Farms uses sunlight to desalinate seawater. The resulting fresh water is used and re-used to power and irrigate four hydroponic greenhouses with 175,000 tomato plants in each. Those sustainable year ’round tomatoes are 15% of Australia’s annual tomato produce. And they do all of this in the desert, around 300 kilometers (186 miles) north of Adalaide.
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!
We don’t extract groundwater from the planet at unsustainable rates. We don’t rely on fossil fuels. And we don’t use soil or valuable farmlands.
Instead we’ve developed technologies that integrate solar power, electricity generation, fresh water production and hydroponics. It produces an equivalent quantity of food to that grown using traditional methods, but the quality is significantly better.
This 2016 report from ABC Landline provides more details: