An oil refinery in Detroit wants to expand its capacity by 15 percent, but neighbors and environmentalists oppose the project. This report, funded in part by the Park Foundation, describes how the Michigan case is indicative of the situation nationwide.

Norway's state-owned oil company, Statoil, recently opened Europe's first large-scale liquefied natural gas plant in Hammerfest, Norway. As global warming melts Arctic ice and makes reserves more accessible, companies are racing to the Arctic to stake their claims.

Residents of Greenland's west coast say they are feeling the effects of rising sea temperatures in the fishing and tourism industries. NewsHour correspondent Spencer Michels reports on the research into whether the changes are climate change-related.