From the Office of the Director of of National Intelligence of the United States of America comes a new Worldwide Threat Assessment by the US intelligence community.
Worldwide Threat Assessments represent the collective insights of the bulk of the US intelligence community on matters that threaten USA lives and interests around the world.
This most recent Worldwide Threat Assessment points out in several places that climate change is a growing national security threat. One way that global climate change poses a threat to US national security is because of how it influences and encourages infectious diseases. The reports finds that the US and world will likely remain vulnerable to outbreaks of infectious diseases such as the flu and other pandemics. Such outbreaks will cause increases in “death and disability, severely impact the world economy, strain international resources, and increase calls on the United States for support.” It also finds that the work that has been done to control infectious diseases has very much improved the situation, but that these improvements may still be inadequate for addressing more frequent outbreaks of diseases due to rapid and unplanned urbanization, prolonged humanitarian crises, human intrusion into unsettled lands, expansion of international trade and travel, and climate change.
A second way that global climate change poses a threat to US national security is because of extreme weather events such as droughts, floods, heat waves, wildfires, sea level rise, etc. One particular area highlighted in the report is the worsening effects of sea level rise on urban areas of Southeast Asia. These effects take the form of damage to infrastructure that is likely to impact military bases, inflict economic costs, and lead to human displacement and loss of life. Another area highlighted in the report are the increasing food insecurities around the world, social injustice, human migration, and interstate tensions in countries such as Egypt, Ethiopia, Iraq, and Jordan that all result from increasing droughts, heat waves, and floods caused by climate change.
Climate change is real. It is having effects on the entire world now. Many of those effects are dramatically impacting the way humans around the world live, and those impacts are being felt by US citizens now and will only get more drastic as time goes on.