Saving 'grotty little things in the soil'

The number and variety of plant and animal species is under threat. The United Nations has declared 2010 The International Year of Biodiversity, and scientists are meeting at the Royal Society to discuss how science can best respond to the threat posed by the loss of animals and plants that provide useful services by pollinating crops, cleaning water or capturing carbon dioxide. Professor Lord Robert May, former president of the Royal Society, discusses the decline in bio-diversity.

news.bbc.co.uk