Generation Y – the children of baby boomers, now in their late teens to early 20s - came of age to ever-louder warnings of climate change, resource depletion, and species extinction. It’s an eco-aware group, but also one inclined toward buying, eating, traveling and consuming more than any generation before. By blending environmentalism with consumerism, the life choices Gen Y is making right now – how they party, where they go to college, even how they get married – open a fascinating window onto how future generations will care for the earth.