The macaques are critically endangered, according to the IUCN Red List of Threatened Species.
Dr. Jean-Christophe Vie, Deputy Head of the IUCN's Species Program, agrees that significant progress has been made.
The IUCN says that there are around 25, 000 polar bears in the world and their numbers are declining.
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The World Conservation Union ( www.iucn.org) is another good resource for finding out about endangered species and habitats.
Its evidence will inform the IUCN Red List of threatened and endangered species.
According to the IUCN the species has a "very real chance of becoming extinct within the next 100 years".
The species, Eulemur cinereiceps, is listed as critically endangered on the International Union for Conservation of Nature (IUCN) Red List.
Most recently he headed the World Conservation Union (IUCN), a global organisation with more than 1, 000 stakeholders including governments and NGOs.
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Many of these species are classified as globally endangered, threatened or vulnerable by the International Union for Conservation of Nature (IUCN).
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Poul Engberg-Pedersen (IUCN) proposed that thinking about the energy-water-food nexus lifts sustainability from a CSR issue to the strategic business level.
Already, 17, 000 plant and animal species are threatened with extinction (IUCN, 2009).
The International Union for Conservation of Nature (IUCN) helps the world find pragmatic solutions to our most pressing environment and development challenges.
The species, native to South Africa and Namibia, is classified as endangered on the International Union for Conservation of Nature (IUCN) Red List.
" The IUCN report said: "In Lake Malawi, a group of fish, known as 'chambo' by locals, forms an extremely important source of food.
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According to the IUCN's Invasive Species Specialist Group, the plant has recently become "established and invasive in Europe", affecting parts of Italy and Switzerland.
The meeting was organized by the Intergovernmental Oceanographic Commission (IOC) of UNESCO, Conservation International (CI), and the International Union for Conservation of Nature (IUCN).
The IUCN estimates there are about 75, 000 black-footed penguins (Spheniscus demersus) in the wild and numbers are declining, probably as a result of commercial fishing.
"We are facing an extinction crisis, " said Jane Smart, director of the biodiversity conservation group with the International Union for the Conservation of Nature (IUCN).
Three quarters of the world's forests have been cleared, degraded or fragmented due to human activity, while a third have disappeared altogether, according to IUCN.
The warning comes in a report prepared by TRAFFIC, the wildlife trade monitoring programme of IUCN-The World Conservation Union and WWF, the global environment campaign.
Since 2008, it has been listed as vulnerable by the IUCN.
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Yet last week in Pemba in a kick-off workshop on a new Fair Coasts Initiative set up by IUCN, there was a surprising amount of optimism.
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For over a decade now the business community has become more and more engaged with the work of IUCN, particularly with respect to corporate biodiversity responsibility.
Populations of Chinese fir, a conifer which was once widespread throughout China and Vietnam, is being threatened by the expansion of intensive agriculture according to the IUCN.
One penultimate index of health, or lack thereof, is the IUCN Red List, which elucidates those many species that are vulnerable, rare and endangered throughout the world.
They asked experts around the world to estimate the costs of conservation actions required to move them down the IUCN list of those at greatest threat.
This is the first time that a species which was once Extinct in the Wild has improved in status by three full categories on the IUCN Red List.
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The latest update to the IUCN Red List of Threatened Species reviews more than 60, 000 species, concluding that 25% of mammals on the list are at risk of extinction.
"This update offers both good and bad news on the status of many species around the world, " Jane Smart, director of IUCN's global species program said in a statement.
Selective logging and conversion of rain forest habitat to agricultural land are the greatest threats to the survival of the white-collared lemur, together with hunting, according to the IUCN website.
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