75 months and counting ... | Andrew Simms

Quarter of the way in, we are perhaps further from holding back the warming tide than when we began. But there is still time

Twenty five months ago, working with my colleague, a climate scientist, Dr Victoria Johnson, and others, I decided to find out how long it would take before, on the best data available, we would begin to cross red lines where climatic instability and extremes were concerned. A quarter of that time has now passed.

To minimise the danger of alarmism, but without hiding...