It's a natural process. It goes on in nature today, and the bacteria die as soon as we stop feeding them.

In allocating groundwater resources, account should be taken of the amount of groundwater in reserve and of the rate of its replenishment.

This is the state of mind that Bush sought to foster when he declared that those who are not with us are with the terrorists.

It is fed by 23 rivers (8 in China and 15 in Russia), but the only outflow of the lake is the Songacha River.

And these are three possibilities that we are working on to build hybrids, driven by algae or by the leaves at the end, by the most, most powerful parts of the plants, by the roots.

If not quite representing an African Silicon Valley, these shoots of high tech industry nonetheless can and must be nurtured if Africa is to thrive.

Through support of a domestically fed biofuel industry, a base will be placed in the cereal and oilseed market and new markets found for the restructured sugar beet industry, without which marginal land is predicted to become a monoculture of grass