Russia 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.
Read moreA study reveals that rising sea levels from climate change could severely impact key oil ports globally, urging a shift to renewable energy sources.
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