In the past half-century, the global production of meat has undergone a seismic shift. While meat was once mostly raised on small farms, today almost all the meat we eat comes from industrialized “factory” farms, known as “concentrated animal feeding operations,” or CAFOs. More than 90 percent of the world’s meat supply comes from CAFOs….
Electricity is the fuel of the future. And as more and more of American life is electrified — transportation and buildings are already on their way — the electricity grid will face greater demands and will need to evolve to meet them. One branch of that evolution is smaller. “Microgrids” are small grids that connect…
Editor’s note: This piece was originally published in March and has been lightly updated. There has been no more dramatic story in the world of energy over the last 20 years than the rise and fall of coal. In the early 2000s, coal fueled China’s rapid growth. From 2000 to 2013, coal consumption in the…