Even "modest" carbon taxes, like those seen in the chart above, would cut emissions as much as the Obama-era vehicle and power plant rules that President Trump is abandoning, an MIT economist found in a new working paper.

Why it matters: The results "underscore the economic power of a...

Amid rollbacks of the Clean Power Plan and other environmental regulations at the federal level, several U.S. states, cities and towns have resolved to take matters into their own hands and implement policies to promote renewable energy and reduce greenhouse gas emissions.  One popular approach...

The stratospheric ozone layer, which protects us from the sun’s ultraviolet radiation, has recovered considerably from past depletion since the implementation of the Montreal Protocol in 1987 and subsequent amendments, which phased out the production and consumption of major ozone-depleting...

Carbon dioxide emissions from aircraft are projected to triple between now and mid-century, even if substantial technology and operational improvements are implemented to make flying more energy efficient. Absent policy constraints, this explosive growth rate will use up a significant proportion...