France, April 29 -- The "roadmap" was published as dozens of nations gather in Santa Marta, Colombia for the first-ever international talks on how to transition away from planet-heating fossil fuels.

France's roadmap does not present new pledges but brings existing climate and energy policies and targets under one umbrella with an explicit goal.

Analysts said no other country had published such a clear and comprehensive plan and it sent an important signal at a moment when countries are reassessing their reliance on fossil fuels.

France's envoy at the conference, Benoit Faraco, said the roadmap set deadlines for the end of fossil fuel use across the economy, the second-largest in Europe.

Coal would be phased out by 2030, oil by 2045 a...