SPIEGEL International
Three young German architects are designing structures made completely out of living trees, including a pavilion for concerts in downtown Stuttgart. But designing the ultimate treehouse turns out to be trickier than one might expect. Ferdinand Ludwig grows trees on trees. That’s what he does. And he has grafted together — trunk to top,...
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How much is the Earth worth to us? At a global conference in Bonn, Germany, representatives of 191 nations are discussing a revolution in conservation. By making a highly profitable business out of saving forests, whales and coral reefs, environmentalists hope to put a stop to a dramatic wave of extinctions. The envoy from...
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It will take some time before genetically modified crops can help the world’s starving people. One reason is that agricultural corporations are developing the wrong types of plants. In emerging economies like Argentina and India, most GM crops are cultivated for use in export products. Sometimes the solutions to humanity’s problems are only a...
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