October 3, 2012 In northern Nigeria, some miners use crude methods to extract raw gold ore — a practice fueled by rising gold prices. But the gold here is embedded in lead, and the dust kicked up by this dirty and illegal mining has killed hundreds of children and sickened thousands more. Experts say this may be the worst case of lead poisoning in recent history.
January 9, 2012 Interior Secretary Ken Salazar said the Grand Canyon must be protected, even if uranium deposits nearby could be important to the nation's energy strategy. Critics say the decision will eliminate jobs and that mining can be done responsibly.