My bet is that China is indisputably number one in renewable energy within five years. They now have key state sponsored support and one advantage of a centralized economy is that these massive projects can be put into effect very quickly.

Already, China's world-leading solar industry provides water heating for 35 million buildings, and India's pioneering use of rainwater harvesting brings clean water to tens of thousands of homes.

[It is] what I consider, basically, an old, outdated, uneconomic, and highly dangerous technology.

The question for oil executives is whether you're in the oil business or the energy business.