Nature World: It has been said that our lofty goal of preventing the world from warming an additional 2 degrees Celsius is utterly inadequate. After all, research has already shown that means to keep to this two-degree limit are slipping away. And yet, despite all the speculation, one new study says that it is even possible to limit future warming to a more ambitious goal of 1.5 degrees C by 2100.
That's at least from a purely technological standpoint, according to researchers at the International Institute...