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Home Biodiversity World's biodiversity 'crisis' needs action, says UN

World's biodiversity 'crisis' needs action, says UN

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The UN has launched the International Year of Biodiversity, warning that the ongoing loss of species around the world is affecting human well-being.

Eight years ago, governments pledged to reduce the rate of biodiversity loss by 2010, but the pledge will not be met. The expansion of human cities, farming and infrastructure is the main reason. Speaking at the launch in Berlin, German premier Angela Merkel urged the establishment of a new panel to collate scientific findings on the issue.

Achim Steiner, executive director of the UN Environment Programme (UNEP), urged governments and their leaders to renew their commitment to curbing biodiversity loss even though the 2010 goal will be missed. "The urgency of the situation demands that as a global community we not only reverse the rate of loss, but that we stop the loss altogether and begin restoring the ecological infrastructure that has been damaged and degraded over the previous century or so," he said.
The UN says that as natural systems such as forests and wetlands disappear, humanity loses the services they currently provide for free.

These include purification of air and water, protection from extreme weather events, and the provision of materials for shelter and fire. With species extinctions running at about 1,000 times the "natural" or "background" rate, some biologists contend that we are in the middle of the Earth's sixth great extinction - the previous five stemming from natural events such as asteroid impacts. Cash log The UN Convention on Biological Diversity (CBD) was agreed at the Rio Earth Summit of 1992, alongside the climate change convention. But it acquired its key global pledge during the Johannesburg summit of 2002, when governments agreed to achieve a "significant reduction" in the rate of biological diversity loss by 2010.

Conservation organisations acknowledge that despite some regional successes, the target is not going to be met; some analyses suggest that nature loss is accelerating rather than decelerating. "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).

"The loss of this beautiful and complex natural diversity that underpins all life on the planet is a serious threat to humankind now and in the future." Mrs Merkel backed the idea of forming a scientific panel to collate and assess research on biodiversity loss, as the Intergovernmental Panel on Climate Change (IPCC) assesses evidence on climatic indicators.

"The question of preserving biological diversity is on the same scale as climate protection," she said. "It would be sensible to have an interface between the politics and the science to integrate knowledge."A large on-going UN-sponsored study into the economics of biodiversity suggests that deforestation alone costs the global economy $2-5 trillion each year. The UN hopes some kind of legally-binding treaty to curb biodiversity loss can be agreed at the CBD summit, held in Japan in October. One element is due to be a long-awaited protocol under which the genetic resources of financially-poor but biodiversity-rich nations can be exploited in a way that brings benefits to all.

However, given the lack of appetite for legally-binding environmental agreements that key countries displayed at last month's climate summit in Copenhagen, it is unclear just what kind of deal might materialise on biodiversity. Political football The UN has been pursuing new ways of raising public awareness on the issue, including a collaboration with the Cameroon football team taking part in the African Nations Cup finals. Many environment organisations will be running special programmes and mounting events during the year.

"The big opportunity during the International Year of Biodiversity is for governments to do for biodiversity what they failed to do for climate change in Copenhagen," said Simon Stuart, a senior science advisor to Conservation International and chair of IUCN's Species Survival Commission. "They have the chance to make a major difference; and key to this will be halting species extinctions, the most irreversible aspect of biodiversity loss." WWF is highlighting 10 species it considers especially threatened, ranging from commercially significant ones such as bluefin tuna to the Pacific walrus and the monarch butterfly. In the UK, the national IYB partnership - hosted from the Natural History Museum (NHM) - is asking every citizen to "do one thing for biodiversity" in 2010.

BBC News
 

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