At a time when food is becoming increasingly scarce in many parts of the world and food prices are skyrocketing, no industry is more important than agriculture. Humans have been farming for thousands of years, and yet agriculture has undergone more fundamental changes in the past 80 years than in the previous several centuries. In 1900, 30 million American farmers tilled the soil or tended livestock; today there are fewer than 4.5 million farmers who feed a population four times larger than it was at the beginning of the century. Fifty years ago, the planet could not have sustained a population of 6.5 billion; now, commercial and industrial agriculture ensure that millions will not die from starvation. Farmers are able to feed an exponentially growing planet because the greatest industrial revolution in history has occurred in agriculture since 1929, with U.S. farmers leading the way. Productivity on American farms has increased tenfold, even as most small farmers and tenants have been forced to find other work. Today, only 300,000 farms produce approximately ninety percent of the total output, and overproduction, largely subsidized by government programs and policies, has become the hallmark of modern agriculture. A Revolution Down on the Farm: The Transformation of American Agriculture since 1929 charts the profound changes in farming that have occurred during author Paul K. Conkin's lifetime. His personal experiences growing up on a small Tennessee farm complement compelling statistical data as he explores America's vast agricultural transformation and considers its social, political, and economic consequences. He examines the history of American agriculture, showing how New Deal innovations evolved into convoluted commodity programs following World War II. Conkin assesses the skills, new technologies, and government policies that helped transform farming in America and suggests how new legislation might affect farming in decades to come. Although the increased production and mechanization of farming has been an economic success story for Americans, the costs are becoming increasingly apparent. Small farmers are put out of business when they cannot compete with giant, non-diversified corporate farms. Caged chickens and hogs in factory-like facilities or confined dairy cattle require massive amounts of chemicals and hormones ultimately ingested by consumers. Fertilizers, new organic chemicals, manure disposal, and genetically modified seeds have introduced environmental problems that are still being discovered. A Revolution Down on the Farm concludes with an evaluation of farming in the twenty-first century and a distinctive meditation on alternatives to our present large scale, mechanized, subsidized, and fossil fuel and chemically dependent system.

The pace of human progress accelerated profoundly in the twentieth century, spawning revolutionary advances in medicine, agriculture, and industry. Between 1900 and 2000, the world's population quadrupled, and production and consumption of goods increased by a factor of twelve. In The State of the Earth, award-winning historian Paul K. Conkin offers a balanced, nuanced, and ultimately hopeful assessment of the major environmental challenges that must be met after a century of torrid growth and development. Unlike many recent polemics that reduce serious environmental debates to partisan political arguments, The State of the Earth provides a thorough and scientifically informed introduction to current environmental concerns. Conkin demonstrates how the explosion in population, production, and consumption has begun to deplete critical resources such as soil nutrients and fresh water, leading to potentially widespread shortages in the world's poorest regions. Fossil fuel emissions have assured a rapid increase in greenhouse gases and contributed to rising surface and ocean temperatures, a warming that is almost certain to continue throughout the twenty-first century. Conkin explains how the complex interactions between pollution, warming, and resource depletion may threaten the planet's biodiversity and endanger innumerable species. The State of the Earth, however, is much more than a summary statement of potential catastrophes. Conkin details the long history of global conservation and environmental protection movements and places their efforts in accessible historical, theoretical, and scientific contexts. He anchors his analysis with the awareness that environmental concerns are simultaneously hotly debated political issues, variables in economic decision making, and matters of extraordinary social and cultural significance. Conkin's mission is neither to proclaim certain doom nor to suggest blithely that technological innovation and other free-market solutions will soon repair the damage already done. Rather, The State of the Earth explains the realities and consequences of ecological disruption, unsustainable growth, and environmental degradation. Conkin provides a sober and comprehensive introduction to the science and history of the environmental challenges facing humans in the new century, highlighting the need to act now on a global scale to reverse these troubling trends.