What the tragedy of the BP oil spill has taught us about regulations, technology, and how our energy diet must change.
On visit to the Shanghai Expo, President Mahmoud Ahmadinejad alluded to 'pressure and intimidation' that China may have felt in the Iran sanctions vote. China, the largest customer of Iran oil, is treading carefully in the Middle East.
The oil-rich nation believes a half-mile thick rock formation could store the next 600 years, or so, of CO2 emissions from Europe. Some say the science is not so clear.
Last week, Greenpeace failed in its bid to force Norway's StatoilHydro to abandon a $2 billion investment in a project that it says produces 10 times the greenhouse gases as North Sea drilling.