If the downward trend continues — and if anything it seems to be accelerating — we’re just a few years from the point at which electricity from solar panels becomes cheaper than electricity generated by burning coal.
And if we priced coal-fired power right, taking into account the huge health and other costs it imposes, it’s likely that we would already have passed that tipping point.
“Recently an observant reader pointed out that methane is 20 times more potent than CO2 when its impact is measured over a century. But in the short term it is a far greater problem. Over the space of two decades it is estimated to be at least 84 times more damaging than carbon dioxide.”—IPCC tries a gamble with shale gas | Climate News Network
“Despite several attempts to give it a stronger conservation focus, the convention still refers to whales as a resource for industry. Notwithstanding the current whaling moratorium, it might struggle to deliver the strong protection much of the world now expects.”—Whaling win will be a hollow victory without updating the rules
"Some [extreme weather] events we can say would have been very unlikely or in some cases impossible to occur without climate change. The recent heat wave and drought in Australia falls into this category." — Michel Jarraud, Secretary-General of the World Meteorological Organization