Exxon, Chevron Focus on Oil Projects in the Americas
The two largest U.S. oil companies are pulling back on big international oil projects and concentrating on a handful of more lucrative assets closer to home.
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Professor, Columbia SIPA
Dams are a major source of electricity globally, with hydropower generating 16 percent of the world’s total electricity and 71 percent of all renewable electricity in 2016. Many developing countries possess great untapped hydropower potential. Sub-Saharan Africa, for example, is estimated to have tapped less than 8 percent of its hydropower potential.