UN climate talks in Belem, Brazil, are heading toward a showdown over which countries are willing to make real progress on phasing out fossil fuels. Emissions from burning oil, coal, and gas are at record levels, driving climate change, which is already claiming millions of lives and wreaking havoc on ecosystems and economies. Yet fossil fuels have long been a charged topic at UN climate summits. It took 28 years before a COP final decision officially recognized the need to "transition away