In 1984 Jarod Diamond synthesised the threats facing biodiversity and famously came up with his “four horsemen of the ecological apocalypse” – 1. Over-exploitation, 2. Introduced species, 3. Habitat destruction and 4. Chains of linked extinctions – with the recent addition of a fifth, 5. Climate change. While these threats are not independent of each other, it can be useful to identify which are the most urgent in order to prioritise conservation… Read More