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Scientists found elevated mercury levels in dolphins in the U.S. Southeast. The highest levels were found in dolphins in Florida's St. Joseph and Choctawhatchee Bays. Researchers study dolphins because they are considered a sentinel species for oceans and human health. Like us, they are high up in the food chain, live long lives, and share certain physiological traits. Some of their diet is most vulnerable to mercury pollution and is also eaten by people.

The following arrests were made recently by local police departments. All defendants are presumed innocent until proven guilty.

Almost exactly four years after Republicans used a budget bill to get oil and gas leasing in the Arctic National Wildlife Refuge coastal plain through Congress by the slimmest of margins, Democrats are turning the tables.

By BECKY BOHRER Associated Press

Read more about US: Joe Biden plans temporary halt of oil activity in Arctic refuge on Business Standard. The plans, along with other executive actions, were announced by press secretary Jen Psaki