NEW DELHI: Bharti Airtel on Wednesday announced the migration of 40,000 of its network sites across India to green technology. Airtel said, in a statement, that its network transformation programme "Project Leap" is now focusing heavily on a series of fresh initiatives towards a greener environment and building sustainable network for the future, and under the project, it will establish a world-class and future-ready network, while bringing down its carbon footprint emission by 70 percent by 2018. �We are committed to bringing down the carbon emission by 70 percent and are taking all measures including bringing in state-of-art technology and partnering with the best globally,� said the firm's MD and CEO (India & South Asia) Gopal Vittal. "We plan to adopt solar and new battery technologies in a big way and double our Green network sites by 2020. With a strategic focus on creating a green network, we remain committed to learning from the telecom industry's best practices from across the globe,� he added.