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Thread: Global ecosystems 'face collapse'

  1. #1
    beltman713 Guest

    Global ecosystems 'face collapse'

    http://news.bbc.co.uk/1/hi/sci/tech/6077798.stm

    Global ecosystems 'face collapse'

    Current global consumption levels could result in a large-scale ecosystem collapse by the middle of the century, environmental group WWF has warned.

    The group's biannual Living Planet Report said the natural world was being degraded "at a rate unprecedented in human history".

    Terrestrial species had declined by 31% between 1970-2003, the findings showed.

    It warned that if demand continued at the current rate, two planets would be needed to meet global demand by 2050.

    The biodiversity loss was a result of resources being consumed faster than the planet could replace them, the authors said.

    They added that if the world's population shared the UK's lifestyle, three planets would be needed to support their needs.

    The nations that were shown to have the largest "ecological footprints" were the United Arab Emirates, the United States and Finland.

    Paul King, WWF director of campaigns, said the world was running up a "serious ecological debt".

    "It is time to make some vital choices to enable people to enjoy a one planet lifestyle," he said.

    "The cities, power plants and homes we build today will either lock society into damaging over-consumption beyond our lifetimes, or begin to propel this and future generations towards sustainable one planet living."

    The report, compiled by the Zoological Society of London (ZSL) and the Global Footprint Network, is based on data from two indicators:

    * Living Planet Index - assesses the health of the planet's ecosystems
    * Ecological Footprint - measures human demand on the natural world

    The Living Planet Index tracked the population of 1,313 vertebrate species of fish, amphibians, reptiles, birds and mammals from around the world.

    It found that these species had declined by about 30% since 1970, suggesting that natural ecosystems were being degraded at an unprecedented rate.

    The Ecological Footprint measured the amount of biologically productive land and water to meet the demand for food, timber, shelter, and absorb the pollution from human activity.

    The report concluded that the global footprint exceeded the earth's biocapacity by 25% in 2003, which meant that the Earth could no longer keep up with the demands being placed upon it.

    The findings echo a study published earlier this month that said the world went into "ecological debt" on 9 October this year.

    The study by UK-based think-tank New Economics Foundation (Nef) was based on the Ecological Footprint data compiled by the Global Footprint Network, which also provided the figures for this latest report from the WWF.

    'Large-scale collapse'

    One of the report's editors, Jonathan Loh from the Zoological Society of London, said: "[It] is a stark indication of the rapid and ongoing loss of biodiversity worldwide.

    "Populations of species in terrestrial, marine and freshwater ecosystems have declined by more than 30% since 1970," he added.

    "In the tropics the declines are even more dramatic, as natural resources are being intensively exploited for human use."

    The report outlined five scenarios based on the data from the two indicators, ranging from "business as usual" to "transition to a sustainable society".

    Under the "business as usual" scenario, the authors projected that to meet the demand for resources in 2050 would be twice as much as what the Earth could provide.

    They warned: "At this level of ecological deficit, exhaustion of ecological assets and large-scale ecosystem collapse become increasingly likely."

    To deliver a shift towards a "sustainable society" scenario would require "significant action now" on issues such as energy generation, transport and housing.

    The latest Living Planet Report is the sixth in a series of publications which began in 1998.

  2. #2
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  3. #3
    AuGmENTor Guest

    Terrestrial species had declined by 31% between 1970-2003, the findings showed
    If they're takin requests, I'd like to see mosquitos put on the list of things to wipe out. And maybe bats and snakes also. Man do I hate them.
    Seriously though this is a disturbing report. I don't think switchin to those stupid florescent bulbs is gonna fix this. I say fuck it, go back to the simple life. None of the bells and whistles (as long as I can still have my internet and car and cigarettes, thank you....)

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