Huffington Post: As the realities of global climate change become ever more alarming, advocates of technological approaches to "geoengineer" the planet's climate are gaining a following.
But the technologies that are promoted -- from spraying sulphate particles into the stratosphere, to dumping iron particles into the ocean, to stimulate carbon absorbing plankton, to burning millions of trees and burying the char in soils -- are all fraught with clear and obvious risks, and are most likely only going to make matters...