Biodiversity - the billions of life forms that exist on earth - ranges in size from microscopic be viruses to blue whales that are more than 30 metres long. Conserving biodiversity humankind"s greatest challenge.

Patents are monopoly rights granted to the inventors to protect their economic interests. But this becomes complicated when the patent is applied to life forms on a global scale.

John Major's Darwin Initiative proves too expensive for Britain's exchequer.

A survey reveals a drastic fall in Garhwal Himalayan crop diversity. Compounding the seriousness of the situation is the lack of scientific interest in the loss

The glitz at UNCED was very impressive over 100 heads of government gathered together to thrash out environment politics. But the results were disappointing