Not only do oceans cover more than two-thirds of the Earth's surface they play a crucial role in the

Nitrogen is the basic building block of plant and animal proteins, and is essential to all forms of life. But studies in recent times have shown that human activity, including agriculture, energy

About 11 per cent of all known bird species are threatened with extinction, according to the World Resources Institute. Fragmentation or loss of habitat is mainly responsible for this decline, but

Every war has an environmental cost. Armies have been known to degrade the environment, burn fields and forests and poison water sources. Advances in weapon technology have left their mark in

If the available food is distributed according to need, it would be sufficient to feed all the people of the world. Yet there are more than 828 million chronically undernourished poor people in

Cities are known to generate a lot of waste and contribute in a major way to water and air pollution. They have become a major source of concern in the 20th century. City authorities will have to be

The world has sufficient resources to accelerate progress to accelerate progress in human development for all and to eradicate poverty. According to the United Nations Development Programme's Human

Women spend much more time working than men in virtually every society for which time use studies are

The industrialised countries are producing an enormous amount of garbage. Western Europe

The remains of the once powerful Soviet nuclear submarine fleet are lying in crumbling shipyards. Many of these are in the northern Kola Peninsula. With Russia lacking the money to dispose of the