The authoritative guide to ensuring science and technology make life on Earth better, not worse.

photovoltaics

1890s photo of Nikola Tesla in lab

Introduction: Why some renewable technologies will perish—and others succeed

By Dan Drollette Jr | Climate Change, Special Topics

animal skull in desert, Jordan

Why will some promising renewables technologies enter a “Valley of Death,” from which they never emerge?

By Jeff Hecht | Climate Change, Special Topics

windmill in mountains

Why Bill Gates and John Kerry are wrong about climate change

By John Carey | Analysis, Climate Change

rooftop solar with batteries

A solar array on every roof, an (EV) car in every garage, and a battery in every basement

By Paul Hockenos | Analysis, Climate Change

Solar energy innovation and Silicon Valley

By Daniel M. Kammen | Climate Change

Stanford Ovshinsky: Pursuing solar electricity at a cost equal to or lower than that of coal electricity

By | Interviews