A man walks along the lakefront as temperatures hovered around -20 degrees on January 30 in Chicago, Illinois, caused by an ominous sounding phenomenon called the polar vortex. Photo: AFP
SCMP Editorial
Opinion

Opinion

SCMP Editorial

Climate change calls for global leadership

  • While much of North America froze and Australia faced searing heat, US President Donald Trump could only joke in a tweet about the effects of warming

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A man walks along the lakefront as temperatures hovered around -20 degrees on January 30 in Chicago, Illinois, caused by an ominous sounding phenomenon called the polar vortex. Photo: AFP
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