discoveries

African discoveries of natural gas pose vexing climate challenge

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SAINT LOUIS, Senegal — As a young geologist working for Senegal’s state-owned petroleum company in the 1990s, Macky Sall was charged with prospecting for oil and gas in this West African nation. For years, he and his colleagues came up empty. But more than two decades later, after Sall was elected to be Senegal’s president, … Read more

Rare earth discoveries mean coal mines could have a future

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Coal plays a huge role in global electricity generation, but has a significant impact on the environment. Boy_anupong | Moment | Getty Images From Pennsylvania to the north of England, coal mines helped to power the Industrial Revolution, turbocharging the economic growth of countries around the world. Today, however, the production and use of coal … Read more