‘Alien crayfish’ invades English waterways

A “highly aggressive” American crayfish is infiltrating waterways in East London. The claims come from the Environment Agency which is tracking the spread of the crayfish by planting tiny radio transmitters on their backs. The invaders carry crayfish plague, a disease which is deadly to the UK’s only native of the species, the white clawed […]

Hydro scheme success hailed as a model of planning

Three hydro-electric schemes for the Blair Atholl estates in Scotland have been given the go ahead by council planners. The three schemes have the potential to generate a combined 1500kW of electricity and could have working lives of up to a century. For at least the first two decades, they will also generate revenues for […]