Environment







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Shining a Light on Light Pollution

The David Dunlap Observatory (cc) Marko Kudjerski It’s hard to imagine Richmond Hill, Ontario as the site of the largest astronomical observatory in Canada. As part of the GTA — the Greater Toronto Area —…



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Snows of Kilimanjaro: For How Much Longer?

One of a growing number of isolated remnants of Kilimanjaro ice spires, once full glaciers. Lonnie Thompson, Ohio State University The iconic snows of Kilimanjaro still exist–but for how long? The remaining ice fields atop…


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No Slow-Down In Global CO2 Emissions

Earth’s seas are unable to keep up with increasing carbon emissions. (cc) brothergrimm The journal Nature Geoscience has published the strongest evidence yet that the rise in atmospheric CO2 emissions continues to outstrip the ability…


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Running the Numbers: Portraits of Mass Consumption

106,000: The number of aluminum cans used in the USevery thirty seconds, as seen in Chris Jordan’s ‘Cans Seurat’ (cc) Michael Allen Smith When we read and hear statistics about the vast damage being done…