The international market for green bondsand securities that raise capital for specific climate orenvironmental sustainability purposes has experiencedtremendous growth and could reach an annual market value ofover 100 billion US dollars this year. As part of thisgrowth, new market tools, skills, and capital have beenintroduced into the green bond market to reduce greenhousegas emissions and more broadly address the problem ofclimate change.The rapid growth of the international greenbond market is demonstrating how capital market mechanismscan enlist private capital to address global climate changeand channel private sector funds to developed and emergingeconomies. As the Paris Climate Agreement is implemented itis critical to remember that the push to reduce emissionsand switch to clean energy sources will also necessarilyinclude the greening of the global financial system.