• US president kicks off second day of virtual summit
• Caitlyn Jenner announces run for California governor

3.52pm BST

Just a reminder of what the Russian president Vladimir Putin said at the climate summit convened by Joe Biden, which began yesterday and winds up today.

Putin called for international cooperation to tackle climate change but did not cite a target for Russia to reduce greenhouse gas emissions.

Putin said: Russia is genuinely interested in galvanizing international cooperation so as to look further for effective solutions to climate change as well as to all other vital challenges.”

Putin says Moscow is ready to offer a number of joint projects and consider preferences for foreign companies willing to invest in clean technologies, including those in Russia.

Carbon removal is the process of removing carbon dioxide from the atmosphere and locking it away for decades, centuries, or millennia. This could slow, limit, or even reverse climate change — but it is not a substitute for cutting greenhouse gas emissions.

This is because carbon removal is generally slow-acting and may not be able to be deployed at scales commensurate with society’s current greenhouse emissions. Carbon removal is sometimes referred to as carbon dioxide removal or CDR, and technologies for implementing carbon removal are sometimes called Negative Emissions Technologies (NETs). Some prominent ideas for carbon removal include:

3.29pm BST

She wants your money. Here’s the tweet. Caitlyn Jenner urges California voters to join her campaign because “California is worth fighting for”.

I’m in! California is worth fighting for. Visit https://t.co/a1SfOAMZQ3 to follow or donate today. #RecallNewsom pic.twitter.com/9yCck3KK4D

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Source: The Guardian