Complexity and unsolved problems are at the very heart of the sustainability challenge, and at the very heart of M.S. Swaminathan's thinking and essays. In 1798, Thomas Robert Malthus offered the piercing insight that geometric population growth would inevitably outstrip food production, leaving society destitute and hungry. Since that time, our optimism of beating the “Malthusian curse” has waxed and waned. Few people in modern history have done more to help...

With 267 people being born every minute and 108 dying, the world’s population will top seven billion next year, a research group projects, while the ratio of working-age adults to support the elderly in developed countries declines precipitously because of lower birthrates and longer life spans. In a sobering assessment of those two trends, William P. Butz, president of the Population Reference Bureau, said that “chronically low birthrates in developed countries...

Buddhi Devi was 14 when she was betrothed. In India, that is not unusual: many marry young. Her intended was a boy from her village who was two years younger — that, too, was not strange. But she was also supposed to marry her future husband’s younger brother, once he was old enough. Now 70 and a widow who is still married— one of her husbands is dead — Ms. Devi...

The goal of food for all can be achieved only through greater and integrated attention to production, procurement, preservation and public distribution. The President, in her address to Parliament on June 4, 2009, announced: “My Government proposes to enact a new law — the National Food Security Act — that will provide a statutory basis for a framework which assures food security for all. Every family below the poverty line in...

When flames from an open cooking fire raced through Fida Hussein's shack in northern India, it was a disaster for him and his poverty-stricken family. "We have nothing," said Hussein as he stood in the ruins of his hut through which the sky could be seen between the burnt roof timbers in a remote corner of Uttar Pradesh, India's most populous state. India's number of millionaires grew by 51 percent...