Asserting that " Language diversity is essential to the human heritage ," UNESCO's Ad Hoc Expert Group on Endangered Languages offers this definition of an endangered language: "... when its speakers cease to use it, use it in an increasingly reduced number of communicative domains, and cease to pass it on from one generation to the next.

* Asian Eskimo Language page of Endangered Languages of Indigenous Peoples of Siberia

The Endangered Language Fund is a fund dedicated to the preservation and revival of endangered languages.

Endangered Languages: Language Loss and Community Response.

* Endangered Languages of the Indigenious Peoples of Siberia-The Ket Language

In 2007, the Coushatta Tribe of Louisiana, in collaboration with McNeese State University and the College of William and Mary, began the Koasati ( Coushatta ) Language Project as a part of broader language revitalization efforts with National Science Foundation grant money under the Documenting Endangered Languages program.

* Fieldwork on Mmani ( Atlantic, Niger – Congo ), a dying language of coastal Guinea-Conakry-a project funded by the Endangered Language Fund

" In 2007, as a Visiting Professor at New York University ’ s Tisch School of the Arts, Holman began teaching a course called “ Art and the Public Sphere .” In 2010 Holman suspended his teaching activities to focus on the Endangered Language Alliance.

In 2010, in cooperation with linguists Daniel Kaufman and Juliette Blevins, Holman founded the Endangered Language Alliance.

Ladefoged served on the board of directors of the Endangered Language Fund since its inception.

* The Endangered Language Fund

* The Chelkan Language page of Endangered Languages of Indigenous Peoples of Siberia

The LBZ was placed on the 2002 World Monuments Fund Watch List of 100 Most Endangered Sites.

The World Monuments Fund included the school on its 2008 Watch List of 100 Most Endangered Sites in the category Main Street Modern.

The Buddhist remains at Bamyan were included on the 2008 World Monuments Watch List of the 100 Most Endangered Sites by the World Monuments Fund.

The species was listed as Endangered by the IUCN in 1982, and by 1984 the National Zoological Park in Washington, D. C. and the World Wide Fund for Nature, through the Golden Lion Tamarin Association, began a reintroduction programme from 140 zoos worldwide.

The World Monuments Fund has placed Herschel Island on its 100 Most Endangered Sites, 2008 watch list, citing " rising sea levels, eroding coastline and melting permafrost " as imminent threats.

The site was included in the 2008 World Monuments Watch List of 100 Most Endangered Sites by the World Monuments Fund to draw attention to deterioration caused by prolonged neglect.

The Buddhist remnants at Bamiyan were included on the 2008 World Monuments Watch List of the 100 Most Endangered Sites by the World Monuments Fund.

The threat posed by urban pollution, and the lack of a comprehensive restoration effort, prompted the World Monuments Fund to include them on its 2008 Watch List of the 100 Most Endangered Sites in the world.

Udall played a key role in the enactment of environmental laws such as the Clear Air, Water Quality and Clean Water Restoration Acts and Amendments, the Wilderness Act of 1964, the Endangered Species Preservation Act of 1966, the Land and Water Conservation Fund Act of 1965, the Solid Waste Disposal Act of 1965, the National Trail System Act of 1968, and Wild and Scenic Rivers Act of 1968.

The folly was damaged in the Great Storm of 1987 and, despite being Grade 1 Listed and previously being included in the 1998 World Monuments Watch List of 100 Most Endangered Sites by the World Monuments Fund, it has yet to be repaired.

" This position is also adopted by the Convention on International Trade in Endangered Species of Wild Fauna and Flora, the World Wide Fund for Nature, the United States Customs Service, and the Republic of France.

It has been selected to the worldwide List of 100 Most Endangered Cultural Sites 2004 by the World Monuments Fund, and re-selected to the 2006 list.

The World Monuments Fund included Helike in its 2004 and 2006 List of 100 Most Endangered Sites in an effort to protect the site from destruction.

The Turner Endangered Species Fund, who re-introduced the tortoise to New Mexico, has made it clear that the restoration of the tortoise to the Southwest is an endangered species recovery project and not a “ rewilding ” project, although elements of rewilding exist.

The World Monuments Fund included Kilwa on its 2008 Watch List of 100 Most Endangered Sites, and since 2008 has been supporting conservation work on various buildings.

The World Monuments Fund recently placed Bunce Island ( and other historic sites in Sierra Leone ) on its 2008 watch list of the world ’ s “ 100 Most Endangered Sites .” Several organizations in Sierra Leone, the United States, and Great Britain are now promoting popular awareness of Bunce Island and its history, and working toward the preservation of the castle.

After the building was included in the 2004 World Monuments Fund Watch list of the world ’ s 100 Most Endangered Sites and featured on the BBC2 programme Restoration, the Heritage Lottery Fund awarded the Strawberry Hill Trust a £ 4. 6million grant in 2005.

Due to the many threats to preservation ( including flooding and vandalism ), Sonargaon is placed in 2008 Watch List of the 100 Most Endangered Sites by World Monuments Fund.

The condition of the building was publicized by Italian architect Renzo Piano, and as a result of his efforts, the building was listed in June 2005 on the list of " 100 World Endangered Monuments " by the World Monuments Fund, a New York-based NGO.

An environmental lobby group, Friends of the Avon River ( FAR ), has called upon the Federal Fisheries Ministers to instigate a Comprehensive Environmental Impact Assessment Study ( CEIA ) of the complete Avon River Watershed in order to protect the Endangered Atlantic Salmon, the COSWIC listed American Eel and their ' critical habitats '.

The environmental group American Rivers named the Susquehanna " America's Most Endangered River for 2005 " because of the excessive pollution it receives.

* American Rivers article: Susquehanna River " Most Endangered "

* The American Eel, an Endangered Species?

Historially, hunting has decimated their population and the American alligator was listed as an endangered species by the Endangered Species Act of 1973.

In 2011, American Rivers named the Roanoke ( Staunton ) River the 3rd Most Endangered River in the country.

< http :// www. fws. gov / midwest / Endangered / mammals / grbat_fc. html >.</ ref > Of these species, the Gray Bat congregates in larger numbers at fewer winter hibernacula than any other North American bat.

It received wilderness designation in 1978 through the passage of the Endangered American Wilderness Act and is managed by the Nez Perce National Forest.

Paul Gulacy ( born 1953 ) is an American comic book illustrator best known for his work for DC Comics and Marvel Comics, and for drawing one of the first graphic novels, Eclipse Enterprises ' 1978 Sabre: Slow Fade of an Endangered Species, with writer Don McGregor.

* Endangered Species ( novel ), a 2003 novel based on the American TV series Angel

Occasionally he wrote pieces with a religious feeling, such as " Gratitude " and " Healing Force ", or to highlight the plight of African-Americans such as " Warriors ", " Silence = Death ", and " Endangered Species: African American Youth ".

Lujan v. Defenders of Wildlife,, was a United States Supreme Court case decided on June 12, 1992, in which the court held that a group of American wildlife conservation and other environmental organizations lacked standing to challenge regulations jointly issued by the U. S. Secretaries of the Interior and Commerce, regarding the geographic area to which a particular section of the Endangered Species Act of 1973 applied.

" Endangered Deference, Imperiled Patriarchy ," Early American Studies, An Interdisciplinary Journal, Fall 2005, Vol.

It is also designated a Mechanical Engineering Historic Site by the American Society of Mechanical Engineers ( ASME ), and has been declared one of America's Most Endangered Places by the Smithsonian Institution.