Reuters: In a remote, rain-soaked former quarry in Wales, environmentalists are putting the finishing touches to a plan to tackle climate change by weaning Britain off fossil fuels within 20 years. The Center for Alternative Technology (CAT), a sprawling eco-complex set up during the 1974 oil crisis, will publish proposals in June to eliminate emissions from oil, gas and coal. While Britain was the first country to set legally-binding targets to cut emissions, by 80 percent from 1990 …