With a goal to operate all of its data centres and office campuses on 24 / 7 carbon-free energy by 2030 , Google and its parent company Alphabet is heavily investing in sustainability research and development to create new technologies that can help reduce waste and conserve resources from machine learning to help cool its data centres to smart thermostats that conserve home energy .

The company started purchasing renewable energy in 2010 , and in 2017 became the first major company to match 100 % of its annual electricity use with renewable energy purchases .

Alphabet has dedicated the entire net proceeds from its US $ 5.75bn Sustainability Bond to support environmentally and socially-responsible projects .

Google ' s sustainability strategy revolves around three key pillars , including accelerating the transition to carbon-free energy and a circular economy ; empowering individuals and communities through technology ; and creating positive impacts for the people and places where Google operates .

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