Author Archives: envirsc

Environment Science Kickoff at University Twente

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The final carbon frontier

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Transport is responsible for about a quarter of the total greenhouse-gas emissions of the European Environment Agency’s 32 members (the 27 member states of the EU, plus Iceland, Norway, Switzerland, Liechtenstein and Turkey) and is responsible for the fastest-growing and … Continue reading

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Three-quarters of climate change is man-made

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Natural climate variability is extremely unlikely to have contributed more than about one-quarter of the temperature rise observed in the past 60 years, reports a pair of Swiss climate modellers in a paper published online today. Most of the observed … Continue reading

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The Energy Return on Energy Invested of Biofuels

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Do we really need biofuels? What are the real costs of their production in Europe? Is it sustainable? What are the spatial variations that we should be aware of? Is it more profitable to produce biofuels in, say, Poland than … Continue reading

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Dramatic changes in the Arctic Ocean by persistent warming

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Persistent warming has caused dramatic changes in the Arctic Ocean and the ecosystem it supports. Ocean changes include reduced sea ice and freshening of the upper ocean, and impacts such as increased biological productivity at the base of the food … Continue reading

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Scarcity and degradation of land and water

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Widespread degradation and deepening scarcity of land and water resources have placed a number of key food production systems around the globe at risk, posing a profound challenge to the task of feeding a world population expected to reach 9 … Continue reading

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When will temperature thresholds be exceeded?

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On regional scales the 2 °C threshold will probably be exceeded over large parts of Eurasia, North Africa and Canada by 2040 if emissions continue to increase — well within the lifetime of many people living now. For more information … Continue reading

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