Elevated levels of dangerous chemicals found in blood of nearly 70% of residents who live close to industrial site where PFOA used until 2012.
Research suggests speed of global warming plays crucial role in determining whether Atlantic circulation system could collapse.
Measures also aim to strengthen Single Market for packaging and facilitate cross-border business through common rules, EU says.
Researchers from Argentina, Bulgaria and Uruguay join 6th National Arctic Scientific Research Expedition.
1 in 3 of 391 samples collected from sea, lake waters found polluted.