Israel has pioneered water-use technologies so efficient that over a decade agricultural output nearly doubled, while water use per acre of irrigated land fell 21%.
In arid Senegal a program of interplanting millet and peanut crops with nitrogen-fixing acacia trees is doubling crop yields, and at the same time improving soil fertility, reducing erosion, and catching and holding more water.
The World Bank has gone into the national park business. While financing a large dam on the island of Sulawesi in Indonesia, the Bank insisted on protecting 800,000 acres of forest on the watershed above the dam. The trees regulate water runoff and prevent the dam from ...
A more definite piece of news concerns coolants that are being substituted for ozone-destroying CFCs. One class of coolants, called HFCs, is made by replacing the chlorine atoms of CFCs with fluorine atoms. Environmentalists had worried that HFCs would also eat up ozone...
On Friday 17 November, young Australians created a world record when 91,987 Australians joined over 23 million people around the world to set the World Record for the most people to stand up against poverty. Events were held in 321 locations around Australia with a tota...
Imagine a medical device that travels through the human body to seek out and destroy small clusters of cancerous cells before they can spread. Or a box no larger than a sugar cube that contains the entire contents of a Library?