Uh, removing trees is apparently what initiated the melting of the Batagaika crater, the scary effects of which are shown in the photograph. And allowing grazin

Uh, removing trees is apparently what initiated the melting of the Batagaika crater, the scary effects of which are shown in the photograph. And allowing grazing will not only remove much of the remaining ground cover but will also cause soil disturbance from pawing and digging done by the animals, both of which may initiate melting. It may be true, though, that there's a necessary balance here. Which is to say, that at least some surface melting may occur under conditions which also allow deeper freezing to occur.