Assistance in communicating ethical efforts such as sustainability or non-GM in a client's marketing so that customers, NGOs, the media and, if possible, even authorities are pleased with you.
It is possible to look like the "good guys" - and to do it defensibly.
It is necessary to know your national laws and - if you market your product in an EU Member State - the respective EU regulations. But on top of everything, your claim must be truthful.
It can be truthful if you have your systems and procedures as well as your purchasing of raw materials and ingredients set up right so that your marketing team will be delighted to make a story out of it.