Pools are great for cooling off but they're not very green. They use lots of electricity, are kept clean with harsh chemicals and create an artificial landscape that screams "I love vinyl." But it doesn't have to be that way.
You've probably seen the horrifying pictures of the 20 million victims of Pakistan's unprecedented flooding of the Indus River. But this false-color image from NASA's Terra satellite really drives home the extent of the devastation wrought by rising water levels.
These days, SF thrillers in which natural disasters end human life as we know it are mainstream fare. But long before M. Night Shyamalan and J.G. Ballard flirted with disaster, the authors of SF's Pre-Golden Age (1904-33) speculated wildly, and sometimes presciently, about the possible causes of dire biospheric…