Carbon emissions have been trending downward, but not quickly enough to offset fluctuations in weather patterns.
A new report from the E.U. estimates the true economic cost of different forms of energy production.
Lockheed Martin says it will have a small fusion reactor prototype in five years but offers no data.
The furor over a Facebook experiment suggests that few people realize how often Web companies test out new product features on them.
A startup that might have a record-breaking solar cell is in danger of going out of business.
Letting go of an obsession with net neutrality could free technologists to make online services even better.
A few carbon capture and sequestration projects are under way, but economics and politics are holding the technology back.
Startup Alphabet Energy has its first product: what it says is the world’s largest thermoelectric generator.
The waste heat in cement production can drive technologies that can grab at least 30 percent of a plant’s carbon dioxide emissions.
A Columbia scientist and his startup think they have a plan to save the world. Now they have to convince the rest of us.