Cities with large population densities may have less carbon emissions per capita compared to suburban areas due to public transportation services and walking accessibility, Boston University ...

Clathrate hydrates (Fig. 1) are cage-like structures of water molecules that house guest gas species. They form when the gas interacts with ice under high-pressure and low-temperature conditions, and ...

Sandia began studying these turbines more than five years ago as part of the lab’s work on advanced nuclear reactors. They selected supercritical CO2 as the working fluid operating at approximately 73 ...

Impacts of climate change seen in both upper and lower atmospheres Carbon dioxide emissions from the burning of fossil fuels will produce a 3 percent reduction in the density of Earth’s outermost ...

LOS ALAMOS, N.M., July 2002 -- A process designed around the use of supercritical carbon dioxide (CO2) promises to enable the production of higher-density microchips than can be made today, allowing ...

The global ocean “conveyor belt” circulation, shown in part here as red and blue lines, circulates cooler seawater below the surface and warmer seawater at the surface throughout the world’s oceans.