Flood defenses protect cities, not rural houses. But this is inevitable.

When a lot of people live in a small area, a small perimeter can protect them all. Where this approach can work, it is efficient use of public funds.

By contrast, protecting houses lying sparsely on the ground would be far more expensive per person protected. That is not feasible. The efficient thing to do for the people who live in those houses is to buy them out so they can move to places that are safer.

Trump personally kept pressure on Ukraine, says impeachment inquiry witness.

The enormous power demands of machine learning contribute significantly to global heating, and only big companies can afford to do it.

Another evil is that it is generally done using GPUs that require nonfree software to run anything whatsoever.

Paris police fire teargas on anniversary of gilets jaunes protests.

I met one of the leaders of the gilets jaunes this weekend, and he told me that he had personally observed thug provocateurs dressed in black carrying out violence, early in the protests.

Former Australian fire chiefs say Coalition ignored their advice because of climate change politics.