Soaring rates of population growth and ageing have long been seen as portending a global explosion of Alzheimer's, the debilitating disease that robs older people of their memory and independence. But an unexpected, and hopeful, ...
With the world population rising, demographers are grappling with one of the most pressing issues of the century - will there be enough food for an extra two to four billion people? Projections of global ...
The planet faces a 40 percent shortfall in water supplies in 15 years due to urbanisation, population growth and increasing demand for water for food production, energy and industry, the United Nations said on Friday.