On 06/06/2021 18:11, T i m wrote:
alan_m wrote:

Where I'm currently staying I can see very high
hillsides with fields growing grass and are full of sheep.

I wonder what was there before the grass?

[The] Chances are [that the] trees [there] [were]
absorbing [the] CO2, something we are going back to in many places.

Before the trees, there was a glacier about a km thick, but 'global
warming' some tens of thousands of years before the Industrial Age, got
rid of it. Shouldn't we go back to those times instead, as interglacial
warm periods are quite short when compared to the glacials?

--
Spike