This is not an imaginary future dystopia. It's a scientific projection of Australia under 3℃ of global warming – a future we must both strenuously try to avoid, but also prepare for.
The original Dust Bowl crashed US wheat production. Today, it would reduce global stocks by a third.
New Zealand is a net exporter of many fruit and vegetables. While climate-change induced food shortages are not an imminent risk, some crops may be affected by rising temperatures and extreme weather.