The state of California estimates savings of $1.5B to $2.4B in healthcare spending by reducing carbon offsets.
More info found on page 28 of this PDF report released today during a webcast of the California Air Resources Board meeting (hat tip to Alexis Madrigal of Wired.com for the link and liveblogging "How California Plans to Radically Decarbonize."
Public Health Benefits
Preliminary Estimates for 2020
Total Economic valuation: $1.5 billion to $2.4 billion
Avoided minor restricted activity days: 330,000
Avoided work loss days: 57,000
Avoided acute bronchitis: 780
Avoided asthma-related & other lower respiratory symptoms: 9,400
Avoided hospitalizations due to cardiovascular causes: 130
Avoided hospitalizations due to respiratory causes: 71
Avoided premature deaths: 340
*Based on preliminary estimates of reduced fuel use from measures