Media agencies Havas and Dentsu evolving to include diverse and sustainable sources TRENDING TODAY Two leading media agencies have evolved their product offerings as part of long-term commitments to promote meaningful progress on reaching diverse audiences and championing sustainability. With the launch of diversity and sustainability-focused programs, rival groups Havas Media Group and Dentsu, who manage a huge proportion of global media spend, are reacting to client demand and are attempting to show the social good the sector can do. Here’s what they’ve launched. Havas Media Group’s sustainability marketplace Havas Media Group has launched a sustainability marketplace, with clients such as EDF, Giffgaff and O2 among the first to sign up to support brands wishing to invest in ethical and responsible advertising.