Nato dalla collaborazione tra la General Electric e le forze armate statunitensi, il Project Cirrus si proponeva di manipolare il clima sfruttando le proprietà del ghiaccio secco per forzare la pioggia. Il 13 ottobre 1947, un bombardiere B-17 scaricò circa 86 chilogrammi di anidride carbonica solida all'interno di un uragano che si trovava a 660 chilometri dalle coste della Florida e sembrava ormai destinato a spegnersi nell'oceano Atlantico.

EV owners were sent hefty PCNs but say some signs in private car parks fail to warn of fees to park and recharge car

Does refuelling your car class as parking? The answer appears to be yes if it’s an electric vehicle. Guardian Money has been contacted by several readers who were fined after charging their cars away from home.

The motorists report being caught out by signs that fail to make clear that charging points are subject to parking tariffs or to store opening times. Also, they have found some chargers being advertised as available for use when it would be a breach of the car park’s terms and conditions to use them.

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© Photograph: Nigel A Messenger/Alamy

© Photograph: Nigel A Messenger/Alamy

© Photograph: Nigel A Messenger/Alamy

Apart from effort to electrify, there were geopolitical tensions around climate science and the 1.5C goal at pre-Cop31 climate talks

Electrifying the world – with electric vehicles, electric heating and cooling, and modernised heavy industry – could be the next biggest step towards phasing out fossil fuels, replacing the 80% of global energy that still comes from hydrocarbons. As using electrical energy is much more efficient than combustion, the move would save billions of dollars for consumers and businesses – global energy demand could be halved, according to one estimate.

For decades, electrification has been a nerdish backwater of global climate action. But in the last two weeks, at preparatory talks in Bonn before the forthcoming UN Cop31 climate summit, the subject finally took centre stage.

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© Photograph: Filip Singer/EPA

© Photograph: Filip Singer/EPA

© Photograph: Filip Singer/EPA

Third of world’s energy needs should come from electricity by 2035, says Murat Kurum, as priorities set out for this year’s UN climate summit

The world should aim to meet a third of its energy needs from electricity within a decade to cut greenhouse gas emissions, the host of the next UN climate summit has said.

While about a third of global electricity generation already comes from renewable sources, other energy-intensive sectors – chiefly transport, heating and industries – have lagged behind. Close to four-fifths of final energy still comes from fossil fuels, as a result.

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© Photograph: Images By Tang Ming Tung/Getty Images

© Photograph: Images By Tang Ming Tung/Getty Images

© Photograph: Images By Tang Ming Tung/Getty Images