We can’t test it without agreement, but who will agree to testing it?
A report in Technology Review raised the specter of an approaching ice age, but the real problem is avoiding a super-greenhouse world
Blocking sunlight to cool the planet should be banned for now, top scientist tells Parliament
The big climate talks were a flop, to we need unfettered, open-minded discussion of what to do next
Controlling the climate with technology was once the stuff of science fiction. But with tests already underway, there’s an urgent need for global governance of geoengineering.
—climate scientist Ken Caldeira
“When people who support the coal industry think your climate change idea is cool, you need to check yourself.”
—environmental commentator Alex Steffen of WorldChanging
Forests up north may store more carbon, but they grow too slow to take a big bite out of people’s carbon emissions
—geologist Dan Schrag on “the most important number in the world”
“There is no solving the problem. There is *no solving* the problem. All it is is slowing the symptoms.”
—atmospheric scientist Ines Fung, on the problem of climate change