Origins

The controversies generated by climate science in recent years center around the human relationship with the natural world and with natural resources. This month, historian John Brooke puts that critical question in historical perspective—deep historical perspective. For most of human history, our species had to struggle to survive powerful natural forces, like climate and disease. In the past three centuries, however, things have changed dramatically: that struggle has been reshaped by the unprecedented growth of the human population—from under one billion to now over seven.

As the American combat mission in Iraq comes to end, the Obama administration and Pentagon officials have repeatedly assured the world that American involvement with Iraq will continue. They are undoubtedly right. Since the founding of Iraq in the aftermath of World War I, U.S. policy has included cooperation, confrontation, war, and, most recently, an ongoing experiment in state-building. This month, Peter Hahn, an expert on the history of U.S.

In the summer of 2011, the streets of Dakar, Senegal filled with a mass of demonstrators “fed up” with the political machinations of President Abdoulaye Wade. Led by popular rappers, the oppositional collective “Y’En A Marre” became spokespeople for a generation at the end of their rope. As Senegal approaches critical elections in February 2012, historian James Genova offers an eyewitness account of these political upheavals, placing the current turmoil in its broader historical and African context.

Alongside the Presidential nomination process, the most prominent American political news stories these days are about the heated, high-stakes struggles over redistricting. The modern era of reapportioning state and federal legislative districts began almost exactly a half century ago when the U.S. Supreme Court decided Baker v. Carr (1962).

With the ongoing East African drought crisis, the persisting threat of global climate change, and the world population now estimated at 7 billion, global concerns about food insecurity are again in the news. Little mentioned, however, is the continuing loss of genetic diversity of the foods we eat today—a trend that has rapidly accelerated since the twentieth century and that raises troubling questions about the vulnerability of the world’s food supply.