Tri-State Wells Drilled Map

No subject has attracted the attention of the Pittsburgh region as has the explosion of interest in deep-well gas drilling into the Marcellus Formation, a shale formation thousands of feet …

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PA Drilling Permits Map

No subject has attracted the attention of the Pittsburgh Region as has the explosion of interest in deep-well gas drilling into the Marcellus Formation, a shale formation thousands of feet …

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Drilling Permits Issued – Annual Trend

No subject has attracted the attention of the Pittsburgh region as has the explosion of interest in deep-well gas drilling into the Marcellus Formation; a shale formation thousands of feet …

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Ozone Annual Average

Ground-level ozone, widely known as smog, is formed when sunlight triggers chemical reactions between nitrogen oxide and volatile organic compounds emitted from industrial plants, electric utilities, motor vehicles and other …

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Annual PM2.5 by Region

PM 2.5 refers to airborne particles less than 2.5 micrometers in diameter. These microscopic particles can consist of several chemical compounds and are created by combustion sources, such as coal-fired …

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Wells Drilled – Annual Trend

No subject has attracted the attention of the Pittsburgh region as has the explosion of interest in deep-well gas drilling into the Marcellus Formation; a shale formation thousands of feet …

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Green Buildings Trend

The Green Building Rating System, developed by the U.S. Green Building Council (LEED), provides standards for environmentally sustainable design, construction and operation of buildings and neighborhoods. The five indicators here …

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LEED Certified Buildings

The Green Building Rating System, developed by the U.S. Green Building Council (LEED), provides standards for environmentally sustainable design, construction and operation of buildings and neighborhoods. The five indicators here …

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Recreational Days Lost

Southwestern Pennsylvania has an abundance of streams and rivers. However, effective stewardship of the quality of its waterways has long been a challenge. In heavily populated Allegheny County, even a …

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Annual PM2.5 by County

PM 2.5 refers to airborne particles less than 2.5 micrometers in diameter. These microscopic particles can consist of several chemical compounds and are created by combustion sources, such as coal-fired …

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