Every month is Earth Month for the customers of Green Mountain Energy Company. By choosing cleaner electricity and carbon offset products, Green Mountain’s customers avoided more than 8.6 billion pounds of CO2 in 2017. Since its inception in 1997, Green Mountain customers have collectively avoided a total of 63 billion pounds of CO2. That’s like taking 6.8 million cars off the road for a year, or planting 7.5 million trees. “For more than twenty years, Green Mountain has been dedicated to changing the way power is made,” said Mark Parsons, General Manager, Green Mountain Energy.