Paris is building the eco-community of the future right now. Here's how.

Setting the bar high for environmental sustainability can encourage innovation and experimentation. Developers of Paris’ new Clichy-Batignolles eco-district are reducing the neighborhood’s carbon footprint in nearly every way imaginable. Solar panels and vegetation cover the energy-efficient buildings, the water table under the 10-hectare (25-acre) park provides geothermal heating, deliveries are directed to a central drop-off site, and much more.

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