Sanofi is playing eco-detective to sniff out just how green its advertising really is.

And no, this doesn’t sound like the usual corporate green spiel; the pharmaceutical giant appears to be actually strapping in for the heavy lifting in cutting emissions. 

Prasad Sridhar, Sanofi’s head of media, spells it out: marketers there are doing more than just adding up the carbon emissions of its advertising, it’s setting sights on actively reducing them too, he said.

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