One is that the planet underwent some sort of atmospheric change.

The time series eventually became the main reference on global atmospheric change.

But atmospheric change had to be slow, allowing living things to adapt.

For test results to be useful, engineers must account for atmospheric changes.

Meanwhile, the scientific hypotheses for atmospheric change are becoming complicated.

Many factors cause pianos to go out of tune, particularly atmospheric changes.

Here they will collect detailed data relating to atmospheric changes.

However, the atmospheric changes are caused by the earthquake, rather than causing it.

The sky was a deep blue, indicating atmospheric change of some sort over the millions of years.

Storm systems and other atmospheric changes also affect the flow of air.