BP says the broad language of the deal and the lower court rulings mean it is being forced to pay for losses that took place wholly unrelated to, and even before, the largest oil spill in U.S. history.
About a quarter of new power generation capacity was from solar energy last year, making it second only to natural gas. And the cost of a solar energy system has dropped more than 50% during the past three years.
Safety injury and fatality rates have dropped significantly.
Cleaner, better organized plants account for some of the improvement
A company's culture and ethics, not money, ultimately determines safety performance