New York Times: "Worse than we thought" has been one of the most durable phrases lately among those pushing for urgent action to stem the buildup of greenhouse gases linked to global warming.
But on one critically important metric - how hot the planet will get from a doubling of the pre-industrial concentration of greenhouse gases, a k a "climate sensitivity" - some climate researchers with substantial publication records are shifting toward the lower end of the warming spectrum.
There`s still plenty of global...