"A Deus ex Machina for the Climate Change Problem"--my piece in American Conservative on the need for a more ambitious carbon-capture program.

Bollards and other Barriers: The Value of Passive Defenses in Homeland Security

The news is relentlessly sad: cars running over pedestrians, in Alabama, and in Louisiana--and that's just in the past few days. Whether the perpetrators are drunks, psychos, terrorists--or someone who has lethally lost his or her wits and shouldn't be driving--that doesn't make much difference at the moment when tons of steel comes crashing down on innocent people. 

In the wake of the truck-attack in Nice, France, I wrote about the value of passive defense for Breitbart last summer, here, and here.

The barriers could be static, active, or even self-aware.  But we need to do something.

Carbon Capture as a solution--perhaps THE solution--to Climate Change

This is a screen-grab from a video produced by Carbon Engineering, a British Columbia-based company which promises "industrial scale capture of CO2 from ambient air."  Bill Gates is an investor.

From a non-scientific political perspective, I have written about this idea in the past: In 2012, in 2014,  in 2015, in 2016, and then again in 2016.