A Global Transition to Renewable Energy Will Take Many Decades
The great hope for a quick and sweeping transition to renewable energy is wishful thinking
Stories by Vaclav Smil
![Should Humans Eat Meat? [Excerpt]](/sciam/cache/file/2ED7FC85-9D9A-4BD8-B0768290326712BA_small.jpg)
Should Humans Eat Meat? [Excerpt]
What can and should be done about human carnivory? Vaclav Smil answers in this excerpt from his new book
Global Population and the Nitrogen Cycle
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
China's Food
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
