http://thinkprogress.org/climate/2015/05/22/3662148/we-pay-what-for-fossil-fuels/
"The world pays $5.3 trillion a year in hidden costs to keep burning fossil fuels, according to a new report from the International Monetary Fund (IMF). This is in addition to the $492 billion in direct subsidies offered by governments around the world — write-offs and write-downs and land-use loopholes."
