Possible shipwreck artifact to get CT scan for age

Explorers who removed a wooden slab from Lake Michigan this summer are taking an unusual step to determine whether it could have come from the Griffin, a long-lost vessel from the 17th century.

Energy industry develops nontoxic fracking fluids

The oil and gas industry is trying to ease environmental concerns by developing nontoxic fluids for the drilling process known as fracking, but it's not clear whether the new product will be widely embraced by drilling companies.

More states want power to approve wetlands development

In 2020, Florida became just the third state—and the first in decades—to take over management of a key federal Clean Water Act program. Now, state rather than federal officials decide whether companies can dredge and ...

Arizona limits building as groundwater dries up

New houses that rely on dwindling groundwater supplies around one of the United States' biggest cities are to be banned, officials said Thursday, in a sign of the strains that drought and climate change are causing across ...

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