A state-by-state breakdown of policies that could change your community.
Stories from the coolest day jobs in the world.
Ten of the brightest minds in science fiction imagine how we will live—on Earth and beyond—in the decades and centuries to come.
He just needs to get it to them
60 years ago this week, the modern solar cell came into being. Here's how.
Why would a petro-state erect a solar-powered eco-metropolis in the middle of the Arabian desert? To change the world.
Arun Majumdar has to decide which researchers will get millions of dollars, and he has to do it fast. He must spark an energy revolution within 20 years, or it's lights out for us all.
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
In the global race to reduce carbon emissions, these eco-minded communities, from Kansas to the Maldives, lead the pack. Here's how they're making their carbon footprints disappear
Steven Chu, the new U.S. secretary of energy, is a Nobel-winning physicist and an unabashed advocate of fighting climate change. But can he negotiate the political realities of transforming the energy economy?
Last October, Iceland's economy tanked. Its bailout? A two-mile geothermal well drilled into a volcano that could generate an endless supply of clean energy. Or, as Icelanders will calmly explain, it could all blow up in their faces
PopSci's vision for making travel faster, greener, and more fun
Wind, solar, tidal—all are battling for the renewable-energy crown, but what about the six billion highly efficient short-stroke engines in our midst? What about us?
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
The most powerful and complex science experiment in the history of the universe is finally—after 14 years and $10 billion—about to begin. There's no telling what it may find, and that's entirely the point
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
We'll get a vaccine for addiction, debate the future of nuclear power, use new tech to take on water shortages, and-just maybe-find an extra dimension or two. Happy New Year
Players love the tech, but pro and amateur organizations can hardly keep up with the new materials and radical designs that have rewired and sometimes hot-wired sports.