Much of the UK's farmland is unproductive. It could be put to better use storing carbon, offering recreation and providing wildlife habitat.
Restoring Britain's woodlands and peatlands isn't just a utopian dream.
If nothing is done now, seas could rise a metre by 2100, and four metres by 2300.
At best, planting trees won't be enough on its own to slow climate change. At worst, it's a dangerous distraction.
'Natural climate solutions' are vital. But huge plantations of the same tree should not count.