If those yields drop below subsistence levels, farmers increase the cultivated acreage but lack the incentive to produce more than they need to feed their families. Clearly, these countries are not ...

"Subsistence' is the word used to describe a traditional way of life among many Alaska Natives. In a physical sense, it refers to the practice of relying on the surrounding environment as a source ...

The International Whaling Commission (IWC) allows for whaling on otherwise protected animals when it is conducted by certain indigenous people to satisfy subsistence needs. The rules for aboriginal ...