I just finished reading Jamais Cascio's excellent new column, "The Geoengineering Option," in which he argues that terraforming the planet may be a necessary evil to combat the effects of global warming. Cascio writes, "The early examination of options we’d rather not use is vital. If the ...

Humans and human institutions are clearly failing the planet. And when environmental catastrophes finally hit the tipping point, panicked societies will start to fail humanity itself. Preventing global warming, it would seem, is not just about preserving the biosphere, it’s also about preserving human freedom. At ...