A flaming crater of gas has burned in Turkmenistan for decades. Satellite imagery suggests that the fires are decreasing, but the environmental implications are unclear.

The humpback whale, stuck for weeks in shallow waters off Germany, was towed to the North Sea in a barge. The story captivated the country.

Liquefied natural gas transit has been effectively halted. A ship managed by Abu Dhabi’s state oil company managed to cross, said Kpler, a maritime data firm.

The Nord, a 464-foot vessel, appears to be tied to Aleksei A. Mordashov, a Russian steel mogul who is under American and European sanctions.