Global fossil fuel emissions are set to hit a new high in 2025, according to research published Thursday that also warns curbing warming under 1.5C would now be essentially "impossible".

The annual Global Carbon Budget report looks at humanity's emissions of planet-heating CO2 from burning hydrocarbons, cement production and land use -- like deforestation -- and relates the figures to the warming thresholds outlined in the 2015 Paris Agreement.

An international team of scientists found that CO2 emissions from fossil fuels will be 1.1 percent higher in 2025 than a year ago, with the huge rollout of renewable technologies across the world not yet enough to compensate for growing energy demand.

With emissions from oil, gas and coal all set to rise, the overall figure is due to reach a reco

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