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Clean water

Good intentions, bad outcomes. Six ways impervious surfaces harm our cities and the environment

Every year, hundreds of thousands of acres of natural land are paved over with concrete, asphalt and other impervious materials. Too often, the full extent of the threat this poses for us and our environment is ignored. It's time to start taking it seriously.

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Plastic bag bans work

Beyond plastic

Plastic bag bans work

Well-designed single-use plastic bag bans have successfully reduced plastic bag use and associated litter and pollution. Use the Single-use Plastic Bag Ban Waste Reduction Calculator to estimate the impact where you live.

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