Browse exhibits on climate change, urban gardening and car sharing at this three-day future-themed expo. Check out Toshiba’s new erasable photocopier and watch environmentalist Bill McKibben’s documentary Do the Math (Mon 22 at 7pm) and anti-fracking film Dear Governor Cuomo (Sat 20 at 5pm). Reservations are required for films; visit 350.org to claim a spot.
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