A startup that might have a record-breaking solar cell is in danger of going out of business.
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.
A coal plant in Saskatchewan will capture most of its carbon pollution—and use it to extract oil from the ground.
A simple, cheap device turns sunlight into hydrogen fuel.
With many areas around river mouths facing starker threats of severe flooding, researchers hope people around the world can benefit from sophisticated models and data.
A new fuel rod design will be tested in a full-size reactor, but some worry it could bring fresh safety problems.
A new study says the population could hit 12 billion by 2100, though it doesn’t take into account the effects of climate change, food shortages, disease, or conflict.