I think of Wangari Mathai in Kenya. If she started out saying she wanted to plant 20 million trees, she would have been laughed at. In fact, the foresters and the government did laugh at her. They said, "Villagers? Un-schooled villagers? Planting trees? No, no, no, it takes foresters." So she planted trees anyway.
Frances Moore Lappémuch agricultural land which might be growing food is being used instead to 'grow' money (in the form of coffee, tea, etc.).
Frances Moore Lappé