Google's Nest Renew program can help you use more clean energy at home
 

Google's latest effort to help you make more environmentally friendly decisions is all about your power grid. The new Nest Renew program is a suite of features that look at the times of day when the electricity feeding into your home is cleaner and turning your compatible Nest thermostats on or off accordingly. Renew arrives in a by-invitation preview in the coming weeks, and will be available for free in the continental US when it launches publicly.

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