Global nitrogen footprint mapped for first time

The first-ever global nitrogen footprint, encompassing 188 countries, has found the United States, China, India and Brazil are responsible for 46 percent of the world’s nitrogen emissions. The international collaboration, led by the University of Sydney’s Integrated Sustainability Analysis team in the Faculty of Science, found developing countries tend to embody large amounts of nitrogen …

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Consumers have huge environmental impact

The world’s workshop — China — surpassed the United States as the largest emitter of greenhouse gases on Earth in 2007. But if you consider that nearly all of the products that China produces, from iPhones to tee-shirts, are exported to the rest of the world, the picture looks very different. “If you look at …

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Hydropower dams worldwide cause continued species extinction

New research led by the University of Stirling has found a global pattern of sustained species extinctions on islands within hydroelectric reservoirs. Scientists have discovered that reservoir islands created by large dams across the world do not maintain the same levels of animal and plant life found prior to flooding. Despite being hailed as conservation …

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