The gas has a similar effect on the lungs if it is inhaled and can cause death.

But I understood from the accounts that some unknown gas had caused the deaths.

Tear gas may cause temporary blindness for up to 45 minutes.

NO gases can cause various problems such as smog and acid rain.

A lighter than air gas should not cause an issue, but this is also an interesting question.

The facts are simple: gas has caused the average bill to rise by 175 pounds in the past year alone.

It is not possible to state that a certain gas causes an exact percentage of the greenhouse effect.

The trapped gases and lack of oxygen can cause a massive fish kill.

These hot gasses would cause damage to the rings until the seal was achieved.

The helicopter is believed to have crashed after the gases caused engine failure.