Wildlife film-makers I know tell me that the effort to portray what looks like an untouched ecosystem becomes harder every year. They have to choose their camera angles ever more carefully to exclude the evidence of destruction, travel further to find the Edens they depict.

Places that have become agricultural deserts, trashed by giant corporations, could be reforested, drawing carbon dioxide from the air on a vast scale. The ecosystems of land and sea could recover, not just in pockets but across great tracts of the planet.

Farming and fishing are the major causes of the collapse of both marine and terrestrial ecosystems. Meat - consumed in greater quantities by the rich than by the poor - is the strongest cause of all.

George Monbiot Quotes