U.S. Chamber and oil firms sue Vermont over its new law requiring fossil fuel companies to fund climate change damage recovery costs.
Read moreRussia has declared a state of emergency in Crimea as workers clean up over 86,000 tons of contaminated sand following a Black Sea oil spill.
Read moreCrimea's officials declared a regional emergency after an oil spill from tankers reaches Sevastopol, prompting cleanup efforts amid environmental concerns.
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