… The Yale Center for Business and the Environment (CBEY) has developed this year-long, admissions-based online certificate for working professionals who seek to accelerate the … The Yale Center for Business and the Environment (CBEY) has developed this year-long, admissions-based online certificate for working professionals who seek to accelerate the … The Yale Center for Business and the Environment (CBEY) has developed this year-long, admissions-based online certificate for working professionals who seek to accelerate the …