Desertification is one of the most pressing issues facing the world's drylands. However, the term "desertification" is only vaguely defined, leading to complications in monitoring and management at all scales.
Groundwater contamination from agricultural sources threatens drinking water quality in California's San Joaquin Valley. Application of a geospatial tool may help farmers, researchers, and regulators identify farmland contributing to the problem.
Integrating traditional practices with modern mechanized agriculture is one way of improving yields and reducing the environmental impact associated with agriculture in developed nations, but policy incentives will likely be required to encourage a meaningful shift in the industry.
A new model suggests it may be possible to feed the world's growing population with minimal environmental impact, but doing so will require targeted policies to reduce food waste and incentives towards healthier diets in industrialized nations.