Researchers at the University of California, San Diego have developed a network of smartphone-based air pollution monitors that allow individuals to track pollution levels in real time and feed a central database of air quality trends citywide throughout the day.

The so-called CitySense devices are equipped with sensors that measure ozone, nitrogen dioxide, and (more…)

When it comes to green solutions, we’re often looking for something big, but the real game changers in history have often been rather small.  Clay tablets from ancient Mesopotamia may not look like much now, but by storing and transmitting information in this novel (more…)