Like carbon dioxide, many non-CO2 atmospheric gases absorb in the infrared and contribute to climate forcing.

Many other long-lived gases also contribute to warming, although not currently as much as carbon dioxide.

Ms. Gubareva said medical records led her to suspect that the gas contributed to their deaths.

An authoritative report has concluded that man-made gases contributed substantially to the rise in temperature over the last 50 years.

The gas contributes to ozone destruction and the warming of the atmosphere.

But the summary of the latest report asserts more confidently that man-made gases have "contributed substantially to the observed warming over the last 50 years."

Higher natural gas and crude prices contributed to a profit surge in domestic drilling operations, to $146 million, from $39 million a year ago.

Their noxious gases, studies suggest, contribute to respiratory problems, gastrointestinal diseases, eye infections, depression and other ailments.

It's mainly made-up of Oxygen but other gases contribute to its formation.

Natural gas and renewable energy sources can thus contribute to a greater diversity of supply.