Nations agree to start drafting climate action plans, which could encourage greater investment in clean energy.
A variety of new digital filters will make a photograph look vintage. The inauthenticity of the effect is irrelevant: it’s enough to evoke an audience’s sense of the past.
A prototype app called Contax analyzes communication patterns to figure out who matters to you most.
The way the Land of the Rising Sun built and lost its dominance in photovoltaics shows just how vulnerable renewables remain to changing politics and national policies.
Severe droughts are forcing researchers to rethink how technology can increase the supply of fresh water.
A group of journalists and researchers wade into ugly corners of the Internet to expose racists, creeps, and hypocrites. Have they gone too far?
Online courses may not be changing colleges as their boosters claimed they would, but they can prove valuable in surprising ways.
The first commercial power plant to use carbon capture and sequestration shows the potential of a crucial technology.
Equipment for making microchips has led to solar cells that are twice as efficient as conventional ones.