From otters to freshwater shrimps, all animals are dependant on an abundant and reliable supply of clean water. Rivers sustain the natural environment, wildlife and people in equal measure.

Most arable fields are large, featureless monocultures devoid of wildlife, but here and there are smaller fields and tucked away corners that are farmed less intensively, or are managed…

This is a strange, sparse habitat of grassland growing on old mining tracks and slag heaps, on river gravels and naturally exposed metal-rich soils in the mountains. Only the toughest metal-loving…