They have also urged their fans to support Earth Hour, a humble step towards a greener environment for future generations. Recently, Sania took to her Twitter handle and urged her fans and citizens to sign up for Earth Hour, writing, "The future depends on what we do today. Be part of making #climatechange history! Signup for #EarthHour2016 at http://earthhour.in.' Amitabh also took to his Twitter handle and urged his followers to participate and celebrate Earth Hour with their loved ones, writing, "T 2176-Support # EarthHour2016 watch #IndVSPAK with friends on one screen , join campaign #ToghervsClimate Change. He also tweeted, "T 2179 - Earth Hour is today. Switch off and sign up to make #climatechange history at http://www.earthhour.in

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