Trade and Environment Enforcement Act or Green 301 Act - Amends the Trade Act of 1974 to authorize the U.S. Trade Representative (USTR) to take certain discretionary trade action against foreign countries that engage in unreasonable acts, policies, or practices that fail to enforce their environmental laws effectively.

Directs the USTR to identify foreign country trade practices that affect negatively the environment of the United States, the foreign country, a third country, or internationally.