Average global per capita GDP has skyrocketed since 1950, but damage to the biosphere has increased dramatically as well—and decoupling the two remains an enormous challenge
The great hope for a quick and sweeping transition to renewable energy is wishful thinking
What can and should be done about human carnivory? Vaclav Smil answers in this excerpt from his new book
Feeding humankind now demands so much nitrogen-based fertilizer that the distribution of nitrogen on the earth has been changed in dramatic, and sometimes dangerous, ways
After the many disruptions of recent decades the output of China's farms about equals the need for food. Whether the balance can be maintained depends on how the nation copes with some problems...