Green energy supplier sets out rival vision for tidal lagoon projects ahead of joint select committee review of Swansea Bay proposals

Help-to-Buy mortgages in Wales will be assessed against property's energy efficiency rating, with buyers of better-insulated homes able to borrow more money

Pollutants can increase stress levels, which in turn affects judgment and makes some people more likely to commit crime

European insurance giant says it will pull its business out of coal sector completely by 2040 as part of 'ambitious climate protection package'

For fleet managers, the decision to buy electric trucks and vans to move goods can be a complicated one

450MW offshore wind project was threatened by bitter legal battle with the RSPB, but is now on course to start generating by 2023

EV pioneer is struggling to hit production deadlines for its Model 3 vehicle, but founder Elon Musk insists firm is on track to be cash positive by end of the year

Campaigners argue labelling schemes certifying provenance of textiles, fish and palm oil are 'failing the environment and consumers'

Proposed changes to the National Planning Policy Framework are a missed opportunity for green buildings, argues UKGBC's John Alker

California and 17 other states are challenging EPA move to relax vehicle emissions standards