An F/A-18 from the Blue Angels flight demonstration squadron is fueled with a 50-50 blend of biofuel and jet fuel. Experimenting with biofuels is part of the military's push to reduce its dependence on fossil fuels.<br>Kiona Miller/U.S. Navy


Preparing the US military for the 'threat multiplier' of climate change

Retired Navy Rear Adm. David Titley talks climate change, public perceptions, and how changing weather patterns could be the Archduke Franz Ferdinand of the 21st century.