Last week, representatives of many of the world's leading cities - including London, Boston, Mexico City, Barcelona and Christchurch - came to San Francisco to learn from Silicon Valley entrepreneurs about how to make their cities smarter. One of the people behind this LLGA Cities Summit was the Silicon Valley entrepreneur Peter Hirshberg, formerly the chairman of Technorati and now one of the world's leading pioneers of smart cities.Read similar

Finally we have an app that ends the age-old debate about whether or not the earth is getting warmer. The Just Science app has collated all the data from the last two centuries to determine the earth's surface temperature. Developed by Novim, a research group from UC Santa Barbara, the Just Science app just won $20,000 from the American Clean Skies Foundation for improving our scientific knowledge about the world.Read similar