Lawmakers in Ottawa have expressed reservations over a possible Chinese takeover of a major Canadian energy company.
Mega-dams and massive government-run irrigation projects are not the key to meeting world’s water needs, a growing number of experts say. For developing nations, the answer may lie in small-scale measures such as inexpensive water pumps.
Western nations and international agencies admire the reform efforts of Nigeria's new finance minister. But Ngozi Okonjo-Iweala faces daunting challenges in cleaning up embedded corruption.
In an interview, energy economist James Hamilton reveals how demand for oil keeps outstripping production, even with new shale oil supply coming from the United States.