What's the opposite of a silver lining?
"They argue that rewilding productive farmland or forestry in industrialised nations that have low levels of biodiversity may do more harm than good on a planetary scale.
"Exploratory analysis by the team suggests that reclaiming typical UK cropland for nature may be five times more damaging for global biodiversity than the benefit it provides local species, due to the displacement of production to more biodiverse regions."