
The Preservation of the Planet
The time has come when scientific truth must cease to be the property of the few, when it must be woven into the common life of the world. —Louis Agassiz, 1863

The Preservation of the Planet
The time has come when scientific truth must cease to be the property of the few, when it must be woven into the common life of the world. —Louis Agassiz, 1863

The Growing Human Population
Development will stabilize populations, but will development come before population growth and harsh technologies do irremediable damage to the planet's life-support capacity?

The Population of China
The recent census confirms that it stands at a little more than one billion. Through strong measures to reduce the birth rate the government is seeking to have it level off at 1.2 billion

World Resources and the World Middle Class
Economic development means entry into the high-consumption world middle class. In view of the limits that are set by world resources, only new scientific and technical knowledge can accelerate the rate of entry