Mark Lynas is the author of numerous books on the environment. His latest is Our Final Warning: Six Degrees of Climate Emergency. He also advises former Maldives president Mohamed Nasheed on climate, and works with the 48-member Climate Vulnerable Forum.

If any single illustration best highlights our climate predicament, it is probably the Keeling Curve. Now scientists are warning that time is running out to reverse its steep upward trend. […]

It’s the last chance for the climate. Of course, this is said before every annual COP, but for COP26, which starts this weekend in Glasgow, it really is the case. […]

It has become something of a cliché, in advance of each annual climate summit, to say that it represents the “last chance to save the climate” or somesuch. For COP26 […]