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Sierra Club - Pennsylvania |
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Website The Sierra Club is America's oldest, largest, and most influential grassroots environmental organization. The Club promotes conservation by influencing public policy through grassroots activism, public education, lobbying, and litigation. We work to defend the environment at all levels of government including U.S. Congress, state legislatures, and state and federal courts. |
| Date added: -0001-11-30 00:00:00 |
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