warren buffett is auctioning ofd lelinski. the highest bid so far is about $2 million. the money will go to charities to help the poor and homeless. last year's benefits paid over $2.6 million. the bidding closes on friday. the international energy agency says the natural gas will play an increasingly important role in the coming years following the fukushima crisis. there is mounting concern about nuclear security. the demand for natural gas is going to grow and it could soon be meeting for it represents one of the world's energy requirements. >> an estimated value of nearly 70 billion euros for this natural gas deposit. and efforts are already under way to exploit the windfall. analysts expect the demand for natural gas will increase by half over the next few decades. major discoveries of natural gas are being made all the time. a study by the international energy agency predicts the percentage of energy from natural gas will grow from 21% to 25%. kohl will drop from 27% to 22%. crude oil will remain the largest energy source, but its share will remain 23% to 27%. ris