evidence: "When you stop adding more fossil fuels to generate your electricity, you start seeing a fall in emissions," said Malgorzata Wiatros-Motyka, the report's lead author. [...] "We now have reached this next turning point of starting to see a new era of falling fossil fuel power sector emissions. We know that wind and solar are the answer and we've just got to get on with a roadmap for building them as quickly as possible," said Dave Jones, from Ember, one of the report's authors.