Inbrief

Gareth Llewellyn has left the UK-based utility group National Grid, where he was global corporate responsibility director. He has not been directly replaced but Joseph Kwasnik has been appointed global head of climate change. Kwasnik was previously US vice-president of environment for National Grid. Llewellyn will remain on the boards of the waste management company Biffa and the UK government’s Renewable Fuels Agency.