The consumption of animal-sourced food products by humans is one of the most powerful
negative forces affecting the conservation of terrestrial ecosystems and biological diversity …

The geological record preserves evidence for two fundamental stages in the evolution of
Earth's biosphere, a microbial stage from~ 3.5 to 0.65 Ga, and a metazoan stage evident by …

Extinction risk in vertebrates has been linked to large body size, but this putative relationship
has only been explored for select taxa, with variable results. Using a newly assembled and …

Carbon emissions of animal husbandry have been gaining increasing attention due to their
high share in global carbon emissions. In this regard, it is essential to assess the regional …

Recent global crises reveal an emerging pattern of causation that could increasingly
characterize the birth and progress of future global crises. A conceptual framework identifies …

Livestock production occupies approximately 75% of agricultural land, consumes 35% of the
world's grain, and produces 14.5% of anthropogenic greenhouse gas emissions. With …

Feeding a growing population while minimizing environmental degradation is a global
challenge requiring thoroughly rethinking food production and consumption. Dietary choices …

Improvements in agricultural production have drastically increased grain yields in the past
half-century. Despite this growth in productivity and calories available per capita …

The debate on future global food security is centered on increasing yields. This focus on
availability of food is overshadowing access and utilization of food, and the stability of these …

Food systems are increasingly globalized and interdependent, and diets around the world
are changing. Characterization of national food supplies and how they have changed can …