"Europe, particularly Holland," he continues, "is light years ahead of us in soil-less gardening." At hydroponic stores, you never know when they're talking in code and when you're hearing a more straightforward sales pitch. Is he referring to all the interesting botanical products Amsterdam cafes are famous for?
"No," he counters with a level gaze, "I'm talking about things like tulips. Europe, particularly the Netherlands, has land and conservation issues. They've got their backs up against the wall. With so little arable land, they have to use progressive technology. Hydroponics and soil-less agriculture offer a solution. Even large commercial growers are using it to reduce their costs.
"Of course," he goes on, "the real Holy Grail is aquaponics," a closed system where fish feed the plants and the plants feed the fish and you can hopefully harvest some of both.
"You could do it on the moon or Mars. In fact, some day, we probably will be doing it on the moon and Mars. As we destroy this planet ..." Even if you're not buying, Brodersen gives a colorful lecture on what he believes is our dystopic future.