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Gene J. Puskar / AP

Uber said its 40,000 London drivers will have to ditch vehicles that are not hybrid for fully electric by 2020, The Guardian reports.

Grants: Uber will be giving its drivers grants of up to £5,000 to switch to a new car. The company will put £2 million toward the grants, but users will also pay for the switchover, through a 35p surcharge imposed on London trips.

Keeping up: London is trying to clean up air pollution. Starting in 2018, all new black cabs must be electric. Uber is trying to keep pace so it is not perceived as the less eco-friendly option.

Go deeper

U.S. sounds alarm on Ukraine

Conscripts line up at a Russian railway station yesterday before departing for Army service. Photo: Sergei Malgavko/TASS via Getty Images

The Biden administration is "deeply concerned" by new intelligence — detailed for Axios and other outlets — showing Russia stepping up preparations to invade Ukraine as soon as early 2022.

Why it matters: Most of this was known from public sources and satellite imagery, but the administration is sending a stronger signal by releasing specific details from the intelligence community.

Felix Salmon, author of Capital
53 mins ago - Economy & Business

Philanthropy in the age of crypto

Illustration: Annelise Capossela/Axios

The best charities are increasingly effective. That's the clear message sent by Open Philanthropy, the think tank that doubles as the grant-making vehicle for Facebook co-founder Dustin Moskovitz and his wife Cari Tuna.

Why it matters: With tech and crypto wealth becoming a fast-growing part of the philanthropic pie, there's more of an emphasis than ever on effectiveness — what the newly-divorced Melinda French Gates, in her recent Giving Pledge update, characterizes as giving as "impactfully as possible."

4 hours ago - Health

Prior coronavirus infections may not protect well against Omicron

Illustration: Aïda Amer/Axios

New data from South Africa suggests the Omicron variant spreads more than twice as quickly as the Delta variant, and that immunity from prior infection doesn't appear to protect a person very well against Omicron variant.

Why it matters: The findings are extremely preliminary, and there are still many open questions about how well vaccines work against the variant. But these initial breadcrumbs of data are helping the world begin to understand what it's up against.