A crocodile known locally as ‘Barrat’ emerges from the water of the lower Daintree River, Far North Queensland. Credit: Kevin Crook The wet season in tropical Australia begins with tension. Physical tension, caused by the friction of earth and clouds. Mental tension, caused by the heat, and the expectation of rain and relief. It is also an ecological tension, where every plant and animal is poised—genetically, physiologically—to grow, reap, sow and copulate within a few short months. We call it the build-up. The tension builds, and then it breaks. It was at the point of breaking when Val Plumwood,...