Answer:
institutional copy.
Step-by-step explanation:
In the scenario described above, the institutional copy style was used, which can be defined as a type of advertisement whose objective is not to sell a product or service, but rather to promote the selling company through its policies, philosophies and objectives, with the objective of strengthening and creating its reputation so that customers are aware of their values and reputation, generating recognition and prestige.
This is what the company analyzed in the above question did by running an ad that shows environmental experts praising its social practices and encouraging readers to access its website and learn about its positive environmental practices