Silicon Valley has a perception problem. Steve Jobs once said, speaking about the irreverent culture he helped create, that “it’s better to be a pirate than join the navy.” This ethos served the community well when its firms existed at “pirate scale.” But now Silicon Valley’s most successful companies have become some of the largest in the world. This culture …

In another sign that the age of fossil fuels is waning, the California State Senate has passed a bill to commit the state to use 100 percent renewable energy for power by 2045. Other states and cities—including Massachusetts, Chicago and Atlanta—intend to make similar switches. Proponents highlight a bevy of ways in which the Age of Renewables will improve our …

Bloomberg The Energy Department, in a long-anticipated report on the security of the US electric grid, makes the case for rescuing the nation’s coal industry from widespread plant shutdowns, but stops short of an assault on renewable power that environmentalists had feared. The study, commissioned by Energy Secretary Rick Perry who has warned that policies favoring solar and wind may …