"The greenest energy to use is the energy we don’t use at all."
— Climate action

January 1, 1970

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Added on April 10, 2026
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Climate change
Original Language: English

Sources

Katrin Klingenberg, Executive Director of Passive House Institute US, Inc. “Passive House: Interview with Katrin Klingenberg, executive director of PHIUS (Passive House Institute US, Inc.)”, ‘’Green Gnome Home’’, (30 December, 2012).