He echoed conservationists' concerns that "a single major event could be catastrophic".
Spencer, who is retiring after nearly 40 years at Microsoft, will be replaced by Asha Sharma - an executive who previously oversaw some of the firm's AI initiatives.
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Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
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The rig sits over an almost-depleted oilfield that's about to get a second life as a massive carbon storage project called Greensand Future.