Greenpeace on Wednesday urged the Arab League to drum up funds to rescue a stranded, oil-filled tanker that is rusting off war-torn Yemen, threatening a major environmental disaster. The environmental group said an urgent meeting was needed for the FSO Safer, after a UN pledging conference last month fell far short of its $80 million target. The decaying 45-year-old tanker, long used as a floating storage platform and now abandoned off the rebel-held Yemeni port of Hodeida, holds 1.1 million barrels of oil and is in “imminent” danger of breaking up, the UN has warned. Ghiwa Nakat, executive di…