As previously mentioned, the type of meteorology used in a model depends on the pollutant averaging period as well as the level of modeling and site characteristics. If the modeling is performed for a state implementation plan (SIP) or a PSD permit, five years of meteorological data are typically required.

Most screening models use a preselected set of meteorological conditions that provide the worst-case plume transport and ground-level concentrations. The basic data used by models include wind speed, wind direction, stability, temperature, and mixing height.

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Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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