An agricultural revolution is in the offing in the Sabel, the driest zone of the West African semi-arid tropics. The change in agricultural systems is being spearheaded by the Sah Centre set

While malnutrition stays with us in a big way, the quantity of arable land per capita is diminishing rapidly. Africa's population has increased from just under 300 million in 1970, to over 500

TANZANIA will be invaded by red locusts if preventive measures are not taken on a war footing. The country's agriculture minister, Jackson Makwetta, says large colonies of locusts were spotted in the

As the reckless plundering of the world"s limited resources continues, nature is striking back where it hurts humans most: disease. People in some places are still paying the price of other people"s progress. So what makes planners think that they have a

EVER SINCE the Earth Summit last year in Rio de Janeiro, there has been a spate of literature on sustainable development. Suddenly there is money aplenty for seminars, conferences and publications on

Many animal rights activists consider that all research carried out with animals is indefensible. This would apply especially to research with chimpanzees. I assume that chimpanzees are the closest relatives to humans and that they deserve ethical considerations which are similar to those accorded humans. Nevertheless, I believe that it is ethically justifiable to carry out certain types of experimentation with this species, as it is also with humans. I welcome the opportunity to defend this position here.

"IT IS A sad reflection on our society that we shall probably have to wait for another series of massive locust plagues before politicians and financiers will take a serious long-term look at the

External debt has proved an albatross around the neck of African nations. At least two thirds of their total debt will have to be written off if they are to revive their economies

FREE trade in ivory may not be environment-friendly, but neither is a ban, according to a research paper published by economist Timothy Swanson in Economic Policy. He argues that though bans may

FOR AFRICA, by Africa, is the World Bank's new slogan while handling the continent's economic problems. V K Jaycox, vice president for the African region, recently said the Bank would no longer

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