Given the world’s inability to stem the flow of CO2 in the atmosphere — or even put a price on that flow — new scenarios to mitigate global warming are coming to the fore. Pumping sulfuric acid into the stratosphere could help, says Harvard’s David Keith. Read more »
Jonathan Koomey’s first essay in a series of four this week that highlights, and excerpts from, his upcoming book, “Cold Cash, Cool Climate,” which discusses how entrepreneurs and investors can profit from tackling climate change, one of this century’s greatest challenges. Read more »
Today marks the first day of a 45-day period for the public to comment on a program to force polluters to cap their carbon emissions starting in 2012, and the proposed rules will give away lots of free permits rather than auctioning them. Read more »
