World news and comment from the Guardian | guardian.co.uk

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World news and comment from the Guardian | guardian.co.uk


Penny Mordaunt defends time in government as rivals step up attacks

Posted: 16 Jul 2022 03:00 AM PDT

Bookmakers' favourite to replace Johnson as PM accuses other campaigns of running 'black ops' briefings against her

Conservative leadership hopeful Penny Mordaunt has been forced to defend her time in government as her rivals step up attacks on her ministerial record.

The bookmakers' favourite to win the race to succeed Boris Johnson as prime minister has accused other campaigns of running "black ops" briefings against her to damage her chances of reaching the last two of the contest.

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Energy use from US cryptomining firms is contributing to rising utility bills

Posted: 16 Jul 2022 03:00 AM PDT

An investigation revealed that companies use enough energy to power Houston, and contribute to growing carbon emissions

The largest US cryptomining companies have the capacity to use as much electricity as nearly every home in Houston, Texas; energy use that is contributing to rising utility bills, according to an investigation by Democratic lawmakers.

Cryptomining is a highly energy intensive process involving the use of specialized computers running constantly to solve complex math problems in order to create new virtual coins.

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