Bhakti Mirchandani has some specific suggestions on Mainstreaming Sustainability: What Banks And Business Schools Should Do Next: 

Assets globally that are invested in line with environmental, social and governance (ESG) principles, or sustainable investments, have been growing 17% per year and now stand at $23 trillion according to McKinsey. The growth of US ESG assets in particular is up over 200% from the past decade according to JPMorgan. As institutional investor demand for ESG products mounts due to robust ESG performance and stakeholder pressure to address global challenges, banks and business schools alike should offer mandatory sustainable investing training to meet the demand for financial services professionals who understand sustainability.

Read her suggestions