The Bush administration has raised the cost for leases that allow oil and natural gas companies to drill in the Gulf of Mexico. But critics say loopholes in the leases could still cost the U.S. billions. Jeff Tyler reports.
Oil prices have been dropping, thanks to some supply-and-demand at work. A goverment report shows U.S. petroleum inventories are fatter than expected. And winter in the Northeast has been milder than usual. Jeff Tyler reports.
Nine years ago today in Kyoto, Japan, more than 150 countries committed to reduce green house gas emissions. One solution widely touted at the time was a trading system for carbon credits. Jeff Tyler looks at whether it's lived up to expectations.
Microsoft's Bill Gates and Google's Eric Schmidt are among the corporate bigwigs who sold a lot more stock than they bought last month. Is it a vote of low-confidence in the economy? Jeff Tyler reports.