Mumbai may have a new way of dealing with rising air pollution and degrading air quality. Not many switchtheir engines offwhile standing on the traffic signal before it goes green. To curb such waste of fuel and emission of harmful gases, a new traffic system has been developed to address this problem.

In order to address this peculiar problem, 19-year-old Shivani Khot and her younger sister Esha (14) have come up with a unique solution – adding a new “blue” signal along with the red, yellow and green ones that people are familiar with.

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