Tag Archives: Proceedings of the National Academy of Sciences

Links in the chain: Global carbon emissions and consumption


Washington, D.C. — It is difficult to measure accurately each nation’s contribution of carbon dioxide to the Earth’s atmosphere. Carbon is extracted out of the ground as coal, gas, and oil, and these fuels are often exported to other countries … Continue reading

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Trace amounts of crude oil harm fish


Deepwater Horizon spill affected gene expression in Gulf killifish. Heart-breaking pictures of seabirds covered in black crude oil, arresting as they are, can miss the hidden story of an oil spill’s impact on wildlife. Exposure to even tiny concentrations of … Continue reading

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MSU sustainability scientists suggest how countries can cooperate on climate


EAST LANSING, Mich. — When countries try to work together to limit the effects of climate change, the fear of being the only nation reducing greenhouse gas emissions – while the others enjoy the benefits with no sacrifice – can … Continue reading

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Eat, Prey, Rain


What do a herd of gazelles and a fluffy mass of clouds have in common? A mathematical formula that describes the population dynamics of such prey animals as gazelles and their predators has been used to model the relationship between … Continue reading

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Sir David King: world should abandon Kyoto protocol on climate change


UK’s former chief scientist calls instead for a system where each nation is awarded a carbon emissions quota based on population The world should abandon the Kyoto protocol on climate change and move instead to a system where each nation … Continue reading

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Greenhouse ocean study offers warning for future


The mass extinction of marine life in our oceans during prehistoric times is a warning that the same could happen again due to high levels of greenhouse gases, according to new research. Professor Martin Kennedy from the University of Adelaide … Continue reading

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Striking ecological impact on Canada’s Arctic coastline linked to global climate change


Scientists from Queen’s and Carleton universities head a national multidisciplinary research team that has uncovered startling new evidence of the destructive impact of global climate change on North America’s largest Arctic delta. “One of the most ominous threats of global … Continue reading

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