Earth Day is an annual event held on April 22 to celebrate the environment and support environmental issues. By focusing on air pollution on this week's cover story, Nikkei Asia is adding its voice to a global call -- to world leaders, innovators, industry and investment leaders and influencers -- to take concerted action and find better solutions to restore our planet.
A bad air day in New Delhi, pictured in January this year: Less than 8% of the world has safe air as defined by the World Health Organization's standards. (AFP/Jiji)
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