Archimedes screw installed at Cragside in Northumberland, which first used power from its lakes for lighting in 1878
Hydroelectric power is to once again power a Victorian National Trust mansion, just as it did almost 140 years ago. Cragside in Northumberland was the first house in the world to be lit by hydroelectricity...
Tree planting is great for the local environment, but the climate benefits are small, writes Ed Birkett
Global ratings agency says costs of offsetting carbon emissions likely to pile pressure on airlines already struggling to stay afloat
Parent company Whitbread promises a 'root and branch' review of plastic use to cut back on single use plastics
UN-backed assessment urges incoming EU Commission to place the SDG agenda front and centre of its policies and investment strategies