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Articles on Climate change

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Killer whales are the apex predator in the oceans. (Shutterstock)

Analyzing the fat of killer whales reveals what they eat

By analyzing small samples of killer whale fat, scientists can learn about the diets of different killer whale populations. This has implications for our understanding of changing ecosystems.
The federal Impact Assessment Act, which seeks to minimize the environmental impacts of major economic projects, is at the centre of a dispute over whether it intrudes into provincial jurisdiction over natural resources development. THE CANADIAN PRESS/Jeff McIntosh

How a Supreme Court case could decide the future of Canadian climate policy

Canada’s federal Impact Assessment Act seeks to minimize the environmental impacts of major economic projects. Will the Supreme Court uphold the act?
Sprinklers water a lettuce field in Holtville, California with Colorado River water. Sandy Huffaker/AFP via Getty Images

The Colorado River drought crisis: 5 essential reads

Two decades of drought have reduced the river’s flow by one-third compared to historical averages. The Biden administration is considering mandatory cuts to some states’ water allocations.
On average, women spend more time than men collecting and transporting water. (Shutterstock)

Gender-blind policies ignore the disproportionate effects of water crisis on women

The water crisis is a women’s crisis. Women need to be equal partners in the process of creating more just and effective water governance systems.
A diagram of a lunar eclipse from De Sphaera Mundi by Johannes de Sacrobosco, c. 1240 AD. New York Public Library

‘Like blood, then turned into darkness’: how medieval manuscripts link lunar eclipses, volcanoes and climate change

Medieval monks recorded hundreds of lunar eclipses. Centuries later, their descriptions are helping scientists unravel the role of volcanoes in historical climate change.

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