“The Sixth Extinction: An Unnatural History” is a book about extinction and the impact of humanity on a living planet. This article is a part of this month's mini-theme, Extinction. For more articles in this theme, click here.
By David A. Hastings; U. S. Department of Commerce, National Oceanic and Atmospheric Administration, National Climatic Data Center, Asheville, NC, USA (email@example.com)
Before 1990, the development level of a country was typically “observed” by looking at a single economic figure, such as Gross National or Domestic Product per capita. With the… Read More +