James won the individual Sustainability Leader award at the 2017 Sustainability Leaders Awards run by Edie.net.
James, who was unable to attend the ceremony due to travel commitments, said: “I’m absolutely honoured to have won this award and my thanks to Edie and the judges for recognising the work which we are doing at ClientEarth.
“I was humbled by the calibre of all the other winners and nominees. Organisations large and small are stepping up to the plate to deliver sustainability initiatives and projects around the world which really can make a difference to people and the planet on which we live.”
At the awards ceremony in London, 19 other awards were handed out. There were 125 shortlisted finalists with categories ranging from energy, waste and water management through to employee engagement, behaviour change, and sustainable transport and travel.