Australia news live: Liberal senator says nation ‘can’t afford’ net zero target as party gathers to debate policy; banks tip $43bn into fossil fuels

Analysis says $30bn given to expand existing coal, oil and gas projects. Follow today’s news live

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Removing CO₂ from atmosphere vital to avoid catastrophic tipping points, leading scientist says

Removing carbon from the atmosphere will be necessary to avoid catastrophic tipping points, one of the world’s leading scientists has warned, as even in the best-case scenario the world will heat by about 1.7C.

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Source: World news | The Guardian.