A Net-Zero-Energy Barn on Long Island Is a Hub for Climate Researchers

In Sagaponack, a sustainable-building magnate’s live/work space provides a model for green construction.
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Jeff Tannenbaum may very well be the sustainability movement’s adopter-in-chief. The private investment fund that Tannenbaum founded in 1994 purchased carbon offsets and embraced LEED-accredited workspace design almost immediately after both concepts were developed in the late ’90s. 

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