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www.bbc.co.uk]
By Richard Black
Environment correspondent, BBC News
Environmentalists say leaders at June's Rio+20 summit must urgently step up nature protection, as a report confirms a 30% decline in wildlife since 1970.
The Living Planet Report combines data on more than 9,000 populations of animals across the world.
Rio+20 is billed as a chance for world leaders to put global society on a sustainable path.
But the report's main authors, WWF, say progress on nature protection and climate change is "glacial".
"The Rio+20 conference is an opportunity for the world to get serious about the need for development to be made sustainable," said David Nussbaum, CEO of WWF-UK.
"We need to elevate the sense of urgency, and I think this is ultimately not only about our lives but the legacy we leave for future generations."
The Living Planet Report uses data on trends seen in various species across the world, compiled by the Zoological Society of London (ZSL).
Further analysis from the Global Footprint Network aims to calculate how sustainable our global society is in terms of its overall ecological footprint - a composite measure of issues such as fossil fuel burning, use of cropland to grow food, and consumption of wood and wild-caught fish.
“Stay Hungry Stay Foolish"
"There are only two mantras yummm and yuk "
"There is a fine line between a rut and a groove"
"The quality of Congress is not strained. It droppeth like a fetid cow patty from a bovine cloaca." cbelt
"I got to that part and I knew there was going to be some weapons grade stupid to follow"Lux Interior
"When all the trees have been cut down, when all the animals have been hunted,
when all the waters are polluted, when all the air is unsafe to breathe, only then
will you discover you cannot eat money."
~ Cree Prophecy
