Wildlife exists by way of an evolved, synergistic machinery of incidental compassion and 'biological optimism' that is thrown off-balance by human intervention.
Chris Packham called the People's Walk for Wildlife in Central London after growing frustrated with environmental charities and despairing at the loss of biodiversity. And he has only just begun. BRENDAN MONTAGUE reports
A tourism boom in the Yucatán Peninsula is threatening the delicately balanced ecosystems of the Laguna Bacalar. We must regulate tourism and pollution to better protect the ancient organisms that have thrived in its waters, argues HARRY SHEPHERD