Nature and EnvironmentLakes for heating and coolingTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment03/27/2016March 27, 2016Facilities using lake water to heat and cool with no CO2 emissions are already operating on some Swiss alpine lakes. Studies show that if the lake is large enough to match demand, there is no problem.https://p.dw.com/p/1ILDKAdvertisement