Biden news - live: Jen Psaki clashes with Fox reporter as White House warns of ‘consequences’ if Navalny dies

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Jon Sharman and Andrew Naughtie
·1 min read
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 (AP)
(AP)

Joe Biden is being urged to announce a target of cutting greenhouse gas emissions in half by 2030, ahead of the Earth Day climate summit.

Mr Biden will host the virtual summit later this week. Scientists and climate campaigners say a 50-per-cent reduction in emissions “is ambitious, but it is achievable”.

Meanwhile, the president was joined by his former boss, Barack Obama, in a TV special to promote coronavirus vaccines on Sunday night.

Mr Obama told Americans: “I want to make sure that our communities, particularly ones, African-American, Latino, as well as young people understand that this will save lives and allow people to get their lives back to normal.”