Countries and oil companies at the UN climate talks have promised to make major progress in tackling global warming in a large new energy pledge.
Around 100 countries promised to treble world renewable energy use by 2030.
And 50 oil and gas companies including Saudi giant Aramco pledged to stop adding to planet-warming gases by 2050.
That only covers emissions from production, not the burning of fossil fuels and critics said it would not meaningfully tackle climate change.
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