"Price to Plug Old Wells in Gulf of Mexico? $30 Billion, Study Says."
"Ever since the first offshore platforms went up off Louisiana 85 years ago, the Gulf of Mexico has been an oil and gas juggernaut. But decades of drilling has left behind more than 14,000 old, unplugged wells at risk of springing dangerous leaks and spills that may cost more than $30 billion to plug, a new study has found."