2 - Env Science Lecture 22:02 Carbon credits, carbon...

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Unformatted text preview: Env Science Lecture 22:02 Carbon credits, carbon trading- entities that emit carbon are responsible for offsetting that carbon (carbon sequestration) Variability of Air Pollution : Problems vary in different regions of the country and world o L.A. pollution vs. Great Lakes Also varies with time of year o Smog- high heat and sunshine in summer o Particulates- dry months Particulates: Las Vegas Little vegetation, wind can transport of find dust Brown haze over Las Vegas partly due to naturally occurring PM 10 60% of dust: construction sites, dirt roads, vacant land Haze from Afar : Air quality concerns are not restricted to urban areas!! Urban Air Pollution: Air pollution development depends on topography and meteorological conditions o Rate of transport and conversion to harmless compounds Potential for Urban Air Pollution : The rate of emission of pollutants per unit area: example: the density of automobiles The downwind distance thru and urban area Wind speed...
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2 - Env Science Lecture 22:02 Carbon credits, carbon...

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