Did humans cause 2017’s extreme weather events?

— by Barry Brill, Chairman of the NZ Climate Science Coalition

2017 was a year of extreme weather, especially in the USA with Hurricanes Harvey, Irma, and Maria devastating swathes of the country, while western states suffered from a severe drought and consequent bushfires. The year ended with a record-breaking “deep freeze”.

New Zealand also had its weather travails, with NIWA reporting a “marine heatwave”, bringing rainfall records, accompanied by heavy flooding, to parts of the South Island.

Some elements of the media hold the view that such events are a product of Climate Change. They contend that anthropogenic global warming (AGW) has already become “dangerous”.

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