Losing entire ecosystems like the Amazon, the Everglades, or the Great Barrier Reef would be environmental disasters on a planetary scale—far beyond mere tourist tragedies. But the survival of cultural destinations is critical, too, Bricker says, even to those who may never see them in person. Places like Venice and the Taj Mahal "help us identify our progress as human beings," she says. "We should be saying, 'What can I do to be sure my grandkids can see this in the future?'"



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