When deciding whom to involve in a sustainability initiative, a company should first:

A) conduct due diligence.
B) develop shared language.
C) create entrance strategies.
D) get the board of directors to buy into the collaboration.

Conducting due diligence is crucial when deciding whom to involve in a sustainability initiative because it ensures that potential partners or collaborators align with the company's values, goals, and sustainability criteria, minimizing risks and enhancing the initiative's success.