| National Geographic: Plans to build the world's largest natural gas pipeline through 5,000 miles (8,047 kilometers) of South American wilderness are prompting warnings of environmental calamity. Known as Gasoducto del Sur, or Southern Gas Pipeline, the proposed 21-billion-dollar (U.S.) structure would connect Venezuela's rich natural gas fields to Argentine markets. But to do this the pipeline would have to cross through several ecologically vulnerable regions, including Brazil's Amazon rain ... |
