If you assume climate change is happening and the cause is man made, then you could conclude that it is a national security risk.
but with all logic, if you start with a faulty assumption, you end up with an invalid conclusion.
Additionally, if you assume the only recouse is to go 100% green energy, then you could conclude that path is a national security risk also.
But the reality is, if you assume the US govt. does nothing about the welfare state, you must conclude a financial disaster will occur which is a national security risk.
I wish S and P and the US military would publish that result which almost a mathematical certainty while the global warming premise is not a certainty.
The upshot - I'll know global warming is a serious issue when Obama downgrades his Marine One fleet to 1 helicopter from the current 7 helicopters