Reuters: Climate scientists hope to be able to tell the world almost in real-time whether global warming has a hand in extreme weather thanks to an initiative they plan to launch by the end of 2015. In recent years, scientists have become more adept at working out whether climate change caused by greenhouse gas emissions is exacerbating wild weather and its impacts around the world, but the task usually takes months. “In the media, we are seeing this notion that you cannot attribute any individual events…