Thousands of oil and gas wells in Pennsylvania suspected of leaking methane

Try to fathom these numbers: 280,000 and 970,000 abandoned oil and gas wells .. and if only a slight amount are leaking methane, that is not at all trivial. 

Thousands of oil and gas wells in Pennsylvania suspected of leaking methane

Where will a future war for oil be?

A new report says that the United States may become the biggest oil producing country in the world by 2017.. 

That is not too long from now.

It begs the question:
If we have waged wars for oil in the past, will someone wage a war for oil on us in the future?