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Six-Legged Teachers: Lessons from Locusts and Beetles

We've entered (actually, created) the Era of Homogeneity. The two greatest environmental crises of our age-mass extinction and global climate change-can be framed in terms of sameness. As the biodiversity of the planet is decreasing, our accidental and intentional movement of species between habitats is increasing. The result is that ecosystems are becoming undifferentiated. Just try to find a place on earth without rats, dandelions, house sparrows, or Argentine ants (let alone grains, cows, pigs, and chickens). At the same time, the planet is running out of cold seasons and places. And it's not just the biosphere and the atmosphere that are becoming monotonous. As we impose ecological uniformity, humans are homogenizing cultures, foods, clothing, languages, politics, and ideas.