Nature versus nurture of a growing human population | Letters

Having fewer children is a no-brainer, write Robin Maynard and Jonathon Porritt. The overconsuming west must not blame the global south, says Christine Galavotti. It is ironic that Italy bears the brunt of the surge of ecological migrants, says Chris Brausch. Apocalyptic changes in the countryside go largely unnoticed, says John GreenIt is heartening to see the Guardian giving considered coverage to the issue of human population and its impacts upon our planet and the threat that continued popul