Be aware of the main sources of atmospheric pollution.    From LearnThat.org.  [yourdictionary.com]

atmospheric tests.    From Wordnet, Princeton University. 

'Short-term atmospheric changes increase greenhouse effect'.    From Wordnik.com.  [WN.com - Articles related to Weather eye: The Sun may have had the strangest weather of last year] Reference

Wood properties and ring width responses to long-term atmospheric CO.    From Wordnik.com.  [New Content on CO2 Science] Reference

Tell us where you did your post-graduate work in atmospheric science.    From Wordnik.com.  [Sound Politics: Global Warming Update] Reference

Stir in atmospheric music and intelligent narration by the interviewer.    From Wordnik.com.  [19 « February « 2007 « The Sound Palette] Reference

Both probably pick up changes in atmospheric pressure and draw closer to cover.    From Wordnik.com.  [How to Make Your Own Weather Forecast] Reference

Its conversion (with atmospheric removal in atmospheric O2) to CO2 is the carbon cycle.    From Wordnik.com.  [Learning from Lomborg, Bryan Caplan | EconLog | Library of Economics and Liberty] Reference

No one will ever ask Al Gore where he did his post graduate work in atmospheric science.    From Wordnik.com.  [Sound Politics: Global Warming Update] Reference

Small annual increases in atmospheric CO² concentration do not give us enough of a wake-up call.    From Wordnik.com.  [Bianca Jagger: Now Is the Time to Move Beyond Petroleum] Reference

The robot notes the change in atmospheric pressure with its internal barometer, but feels nothing.    From Wordnik.com.  [365 tomorrows » 2008 » October : A New Free Flash Fiction SciFi Story Every Day] Reference

They are both now postdoctoral researchers in atmospheric science, having won fellowships to fund themselves.    From Wordnik.com.  [Progress « Imaginary Potential] Reference

The issue is how far down the road do we wish to continue the negative deline in atmospheric quality before we act.    From Wordnik.com.  [About: Blinded by Science] Reference

Since 1919 Appleton has devoted himself to scientific problems in atmospheric physics, using mainly radio techniques.    From Wordnik.com.  [Edward V. Appleton - Biography] Reference

You're assuming that there is a known explanation for why triangular snowflakes form under certain atmospheric conditions.    From Wordnik.com.  [The Memory Hole] Reference

Climate scientists and others note that the increase in atmospheric CO2 matches the increase in human industrial activity.    From Wordnik.com.  [Think Progress » Hannity: Snow Storms ‘Seem To Contradict Al Gore’s Hysterical Global Warming Theories’] Reference

Wood properties and ring width responses to long-term atmospheric CO2 enrichment in field-grown loblolly pine Pinus taeda L.    From Wordnik.com.  [Wilson, Pisaric and Gaspé « Climate Audit] Reference

But right behind the Scorpios, they've actually just landed right now, their special suits called atmospheric diving system suits.    From Wordnik.com.  [CNN Transcript Aug 6, 2005] Reference

It is officially known as atmospheric brown clouds.    From Wordnik.com.  [CBC | Top Stories News] Reference

Denis Papin first threw out the idea of atmospheric locomotion; and.    From Wordnik.com.  [Industrial Biography, Iron Workers and Tool Makers] Reference

It looks terrific and atmospheric, which is what S.T.A.L.K.E.R. is all about really.    From Wordnik.com.  [DV Hardware] Reference

The first engine could only be called atmospheric; now it was destined to become in reality a steam-engine.    From Wordnik.com.  [Lectures on Popular and Scientific Subjects] Reference

The event occurred, he believes, when a series of phenomena called atmospheric rivers stalled over California.    From Wordnik.com.  [FOXNews.com] Reference

An old "atmospheric" theatre on Chicago's northwest side.    From Wordnik.com.  [Lost Palaces: A Gallery of Old Movie Theatres and Cinemas] Reference

After years of playing Dungeons & Dragons, they always wanted to meet at some "atmospheric" location.    From Wordnik.com.  [Alfred Hitchcock's Mystery Magazine]

They were called "atmospheric" engines because the greatest steam pressure used was near atmospheric pressure.    From Wordnik.com.  [Newcomen, Thomas] Reference