Cool roofs have water saving benefits too

The energy and climate benefits of cool roofs have been well established: By reflecting rather than absorbing the sun's energy, light-colored roofs keep buildings, cities, and even the entire planet cooler. Now a new study ...

Gimmicks and technology: California learns to save water

Billboards and TV commercials, living room visits, guess-your-water-use booths, and awards for water stinginess—a wealthy swath of Orange County that once had one of the worst records for water conservation in drought-stricken ...

Crops watering by phone

Thanks to a new app, smart phones could help monitor irrigation water use according to need. This could ensure that food is available on our table is the produced in a sustainable way.

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