Why did Disha Ravi want to hold a strike every Friday? Why did Disha Ravi want to hold a strike every Friday? Started in 2018 by Swedish environment activist Greta Thunberg, Fridays For Future encourages students to hold a strike every Friday to force the government to take notice of climate change. advertisement UPDATED: February 16, 2021 19:12 IST Students participating in the 'Global Climate Strike' called by Fridays for Future in Chennai on September 20, 2019 (Photo Credits: PTI) HIGHLIGHTS Delhi Police took Fridays For Future India's website down in July 2020 Fridays For Future India has several chapters that actively participated in the global climate strike in September 2019