SAN FRANCISCO, Apr 23, 2012 (BUSINESS WIRE) -- Wells Fargo & Company /quotes/zigman/239557/quotes/nls/wfc WFC -0.91% announced today an enhanced commitment to environmental leadership that includes the following goals to be achieved by 2020: $30 billion in loans and investments in support of a "greener" economy, $100 million in community grants for grassroots environmental initiatives, and a 40% increase in the company's energy efficiency.