Many of the country's most well-known companies are starting to incorporate environmental concerns into their business plans, Vault included. Vault's first-ever digital-only guide, the Vault Guide to Green Programs, is back with its second edition. This time with many more participants, potential employees can learn all about green initiatives at companies. From discussing their initiatives at the interview stage to encouraging employee initiative toward building a more sustainable company, read on to see if your employer of choice is indeed green conscious or gets away with dabbling in green washing.