When former Canadian golf marketing executive Lisa Christensen first took part in a 1999 coastal clean-up event, little did she know she would commit her life to tackling Hong Kong’s waste problem.
Neither did she know she would later found an environmental organisation empowering tens of thousands of people to clean up the city’s shorelines every year.
Last year Christensen’s company Ecozine, a media platform devoted to sustainable lifestyles, engaged 75,623 people to clean...
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