David Suzuki, Ian Hanington (2017). “Just Cool It!: The Climate Crisis and What We Can Do - A Post-Paris Agreement Game Plan”, p.67, Greystone Books Ltd
Mitch Daniels' keynote speech to the Conservative Political Action Committee at Ronald Reagan Centennial Dinner in Washington, D.C., www.americanrhetoric.com. February 11, 2011.
"Institutions worth $2.6 trillion have now pulled investments out of fossil fuels" by Damian Carrington, Emma Howard, www.theguardian.com. September 22, 2015.