aerosols

11.26.09

Spraying Safely

How green are aerosol cans now, with chlorofluorocarbons out of the picture?

By the Editors of E - The Environmental Magazine Posted 09.04.2008 at 10:20 am 0 Comments

Dear EarthTalk: What's the deal nowadays with aerosol spray cans? I thought that the ozone-depleting chemicals used in them were eliminated back in the 1970s. Is this true? If so, what is now used as a propellant? Are aerosols still bad for the ozone layer? -- Sheila, Abilene, TX

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READ MORE ABOUT > aerosols, EarthTalk, enviro science, health, ozone layer, the environment

New Tech to Track Aerosols

Modeling the behavior of pollution clouds can help combat them

By Sam Barrett Posted 07.31.2008 at 4:25 pm 0 Comments

Chemists from Aerodyne Research, Inc. and Boston University have developed an aerosol mass spectrometer that will aid in the study of airborne particles and their effect on climate change and public health.

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READ MORE ABOUT > aerosols, climate change, mass spectrometry, pollution, Sam Barrett

Is Pollution Slowing Global Warming?

A new study throws yet another wrench into our understanding of global climate change

By Stuart Fox Posted 07.09.2008 at 11:54 am 12 Comments

Of Sun and Smog: Edwin Maolana (CC Licensed)

Wait, now pollution is preventing global warming? That’s the conclusion of a recent study in the journal Geophysical Research Letters, which says rising temperatures seen in Europe over the last few years result as much from the reduction of air pollution as from the creation of it. The research, which looked at the effects of aerosols on climate, confirms an older concept known as global dimming, and complicates our understanding of how mankind affects the climate.

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READ MORE ABOUT > aerosols, global dimming, global warming, pollution, stuart fox