Three bills have recently been proposed by a trio of California state legislators concerning ESG financial disclosures and investing. The first, SB 253, would "require all large corporations that do business in California to publicly disclose their greenhouse gas (emissions) in line with the Greenhouse Gas Protocol . . . [and] [t]hese disclosures will include corporate supply chains (scope 3), which can include in excess of 90% of a corporation[']s carbon emission. "......By: Mintz.