It is one of the most hotly debated environmental topics of the year - whether the drive to produce alternative so-called green fuels will take food from the mouths of the hungry.
A United Nations expert has condemned the growing use of crops to produce biofuels as a replacement for petrol as a crime against humanity.
The price of gold rocketed Friday to the highest level since the start of 1980, as the precious metal won support from the weak dollar and record high crude oil prices, traders said.
Billionaire investor Warren Buffett said on Thursday he expected the dollar to weaken further, adding that South Korean stocks offered better value than other world markets.
Thousands of evacuees have returned to parts of California devastated by wildfires - some finding their homes no more than smouldering heaps.
Schoolgirls in England will be vaccinated against the virus that causes cervical cancer from September 2008, ministers are set to announce.
The median price of US houses has crashed from a peak of $262,600 in March to $211,700 in September. This is an 18pc drop nationwide.
Nearly one in four young adults took drugs last year in spite of an overall fall in the amount of misuse, Home Office figures revealed today.
One of the larger fires in Southern California was deliberately started by someone with apparent knowledge of arson, a fire official said Thursday.
Crude oil rose to a record above $91 a barrel in New York on an unexpected drop in U.S. stockpiles and concern that supply from the Middle East may be disrupted.
An appeal carried in the hands of children and handed to representatives of the nations of the world said that violence is an illness polluting the planet.
In 1973 Richard Nixon, US president, under political pressure because of rising domestic food prices, banned the export of soyabeans.
For in my 37 years as a gynaecologist, I have seen quite enough to persuade me that, for the sake of women and babies, we urgently do need a change in our law - not only to lower the upper time limit but also to help reduce the current rate of 200,000 abortions carried out in Britain each year.
British troops in Afghanistan could soon be relying for their resupply on rented civilian helicopters.
Nato has "lost in Afghanistan" and its failure to bring stability there could provoke a regional sectarian war "on a grand scale", according to Lord Ashdown.