Washington Post: Dennis Meadows has long argued that the world’s resources are limited and its environment stressed. In the 1972 bestseller "Limits to Growth," he was part of a team that concluded that the world would exceed its resource base in the first half of the 21st century. In subsequent updates, they have said that the world’s growing population has already outstripped its resources and that we are now collectively consuming our planetary seed corn. Meadows is beginning plans for a …