As populations become more affluent and urbanized, diets are shifting such that they are
becoming higher in calories and include more highly processed foods and animal products.
These dietary shifts are driving increases in diet-related diseases and are also causing
environmental degradation. These linked impacts pose a new key issue for global society—
a diet, health, and environment trilemma. Recent dietary shifts have contributed to
increasing diet-related health and environmental impacts, including an 80% increase in …

During the past century, human activity has stressed and pushed the limits of the natural
environment while food systems and food choices became a major contributor to
environmental degradation and poor health outcomes. This chapter will discuss the nexus
and challenges posed as diet, the environment and human health intersect. First, the
excessive use of natural resources that are consumed before they can be naturally
replenished within a year's time will be discussed. An overview of our planetary boundaries …