Or you can set a limit on the amount of carbon a company can release into the atmosphere and then issue permits to exceed that limit which companies can sell amongst each other. (macleans.ca)
The comptroller has generally supported pushes to move the fund toward clean energy, having pushed $ 2 billion worth of investments into low carbon companies in 2015. (timesunion.com)
The simple answer — invest in low - carbon companies only — is appealing but challenging. (blackrockblog.com)