http://en.wikipedia.org/wiki/Jevons_paradox
Vegetable oil was expensive and took a lot of land to produce, then the oil palm made it cheaper and produced more in less land. But now we spend more money on vegetable oil and cultivate more land than before.
http://en.wikipedia.org/wiki/Jevons_paradox
Vegetable oil was expensive and took a lot of land to produce, then the oil palm made it cheaper and produced more in less land. But now we spend more money on vegetable oil and cultivate more land than before.