Climate Change and Global Security: Framing an Existential Threat

Climate change, biofuels, and global food security

Global food security under climate change.

This article reviews the potential impacts of climate change on food security. It is found that of the four main elements of food security, i.e., availability, stability, utilization, and access, only the first is routinely addressed in simulation studies. To this end, published results indicate that the impacts of climate change are significant, however, with a wide projected range (between 5 ...

Climate change. A global threat to cardiopulmonary health.

Recent changes in the global climate system have resulted in excess mortality and morbidity, particularly among susceptible individuals with preexisting cardiopulmonary disease. These weather patterns are projected to continue and intensify as a result of rising CO2 levels, according to the most recent projections by climate scientists. In this Pulmonary Perspective, motivated by the American T...

Climate change is not the biggest global health threat.

The UCL Lancet Commission on climate change and health (May 16, p 1693) concludes: “Climate change is the biggest global health threat of the 21st century”. In this report, the authors emphasise not only the immediacy and gravity of this threat, but also the directness: while the poorest in the world will be the fi rst aff ected, none will be spared. The escalating carbon footprint of the devel...

Global Climate Change Adaptation Priorities for Biodiversity and Food Security

International policy is placing increasing emphasis on adaptation to climate change, including the allocation of new funds to assist adaptation efforts. Climate change adaptation funding may be most effective where it meets integrated goals, but global geographic priorities based on multiple development and ecological criteria are not well characterized. Here we show that human and natural adap...