• This study was conducted to determine whether elevated CO2 alters patterns of plant reproduction, and whether density affects population- and individual-level responses to elevated CO2. • Phytolacca ...

Carbon dioxide emissions from the burning of fossil fuels will produce a 3 percent reduction in the density of Earth's outermost atmosphere by 2017, according to a team of scientists from the National ...

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 ...

CASCADE, Mich. — Looking for a fun activity to do at home with your kids? This science experiment is fun for all ages and teaches how oxygen and carbon dioxide have different densities! Meteorologist ...

Increasing population and employment density in metropolitan areas could reduce vehicle travel, energy use, and CO2 emissions from less than 1 percent up to 11 percent by 2050, a new report has said.

Rising CO2 is changing the nutrition in everyday foods. Crops may offer more calories but fewer essential nutrients, creating ...

Carbon dioxide, the gas largely blamed for global warming, has reached record-high levels in the atmosphere after growing at an accelerated pace in the past year, say scientists monitoring the sky ...

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 ...