http://www.gigatonthrowdown.org/ identifies building efficiency as the lowest cost pathway to achieve 1-gigaton CO2e reduction by 2020.
π¨βπ©βπ§βπ¦πΆπββοΈπ΄ββοΈπββοΈπ¨βπ»πππ¬ππ₯πΊπππΌπΈππ¨π¦
http://www.gigatonthrowdown.org/ identifies building efficiency as the lowest cost pathway to achieve 1-gigaton CO2e reduction by 2020.