It doesn’t come on fast. It may take weeks to notice. You have the newly recharged lithium-ion AA batteries in the wireless kitty water fountain, and they last two days. 

The technology not only means power distribution networks will waste much less energy, but they could also look very different.

An experimental plant-based jet fuel could increase engine performance and efficiency, while dispensing with aromatics, the pollution-causing compounds found in conventional fuels, according to new research.

Scientists at Sandia National Laboratories have released data that could play an important role in the future development of cleaner and more sustainable aviation fuel.

Remote sensing could help experts monitor Nile hydrology as a new reservoir is filled.

In the U.S., electricity generation using natural gas likely hit its peak in 2020, according to a new report from the Institute for Energy Economics and Finance (IEEFA), which finds that cheaper wind and solar are edging gas off the power grid.

Each year, humans across the globe produce billions of tons of solid waste.

The world must halt its increase in greenhouse gases within the next three years, cut them by 43% in the next seven, and eliminate them entirely by 2050 to avoid catastrophic and irreversible climate change impacts this century, according to a new report released this week by the Intergovernmental Panel on Climate Change (IPCC).

Renewable energy prices have fallen by more than 70 percent in the last decade, driving more Americans to abandon fossil fuels for greener, less-polluting energy sources.

Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts.