Original sentence: From May to September 2006, he was Ottawa operations director of the High Park Group, a public relations and lobbying firm active in the debate over global warming.Harris has 30 years’ experience working as a mechanical engineer and project manager, science and technology communications professional.International Climate Science Coalition, official website
Edited sentence: From May to September 2006, he was Ottawa operations director of the High Park Group, a public relations and lobbying firm active in the debate over global warming, whose clients include the Canadian Electricity Association and the Canadian Gas Association as well as those focused on the promotion of alternative energy