Sandra Mu/Getty Images For an agricultural nation like New Zealand, severe drought is one of the most ominous consequences of a warming planet. The Climate Change Commission’s latest national risk assessment points to these events becoming more intense over time, particularly in the country’s drier northern and eastern regions. Recent events offer a glimpse of what this can look like: browned paddocks, shrinking reservoirs, dried-out riverbeds and farmers struggling for feed. They have also illu