2009 in the environment (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "2009 in the environment" in English language version.

refsWebsite

Global rank English rank

4,227^th place

4,251^st place

4,165^th place

4,630^th place

1^st place

70^th place

63^rd place

loc.gov (Global: 70^th place; English: 63^rd place)

Holt, Rush D. (March 30, 2009). "Omnibus Public Land Management Act of 2009". Washington, DC: Library of Congress. Archived from the original on December 12, 2012. Retrieved 9 November 2025.

"Protected Area Profile for Altos de Pemehue". United Nations Environmental Programme (UNEP-WCMC) World Database on Protected Areas. 2023. Retrieved 9 November 2025.

Holt, Rush D. (March 30, 2009). "Omnibus Public Land Management Act of 2009". Washington, DC: Library of Congress. Archived from the original on December 12, 2012. Retrieved 9 November 2025.