Sentence examples for being relatively clean from inspiring English sources

Unfortunately, like in many studies, the pollution gradient is collinear with elevation, so it is impossible to disentangle the effects of being an upstream site and being relatively clean.

A study on global air quality from the World Health Organization finds that India's cities have the dirtiest air, while U.S. cities are relatively clean and China is cleaning up its act.

Diesel engines can be relatively clean if well maintained.

Thus, the signal is relatively clean that we can use zero-crossing to calculate the frequency.

That means the game should be relatively clean and fast-paced.

The air was relatively clean on the remaining 71 days a year.

Natural gas units, which are relatively clean, have become popular in recent years.

But oil is too useful to become obsolete any time soon, and gas is relatively clean.

While some of them are relatively clean, many are a threat to the environment and public health.

Mr. Gillespie knew cutting pollution would be expensive -- especially for Duke, because its exhaust was relatively clean already.

The subway that takes de Blasio's guy to the majestic skyscraper is relatively clean, orderly, and reliable.