rubbish pdq, you make it sound as if the 300 million born in the third world are huge users of energy. Well the 280 million or so in the US use up and pollute way more than those in the 3rd world.
5% of the worlds population using a 25% Of its energy supplies, and growing.

There really isnt any one energy solution but many diverse ones, for instance geothermal, ethanol, solar, wind, nuclear,..