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Articles on Climate change

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Flood waters rise in the Montreal neighbourhood of Cartierville in May 2017. (Fred/flickr)

Urban floods: We can pay now or later

The risk of urban flooding is rising. Overall, residents and municipalities are ill prepared, but there are steps homeowners can take to protect themselves.
Like many migratory songbirds, tree swallows are experiencing population declines in parts of their breeding range. Julia Baak

Birds wearing backpacks trace a path to conservation

Effective conservation of migratory songbirds requires an understanding of how populations are connected between seasons. The challenge is being able to track individuals throughout the entire year.
Heavy rainfall triggered extensive flooding across the province of Alberta in 2013. (Ryan L. C. Quan/Wikimedia)

Damage from flooding doesn’t have to be inevitable

Calgary has already had two 100-year floods in less than a decade. But the city and the province have yet to take action to meaningfully lower the risk of future flood damages.
The male cardinal tenderly feeding his mate is just one example of the hard work wild animals undertake in springtime. That work often benefits humans. (Shutterstock)

How the hard work of wild animals benefits us too

Wild animals are hard at work this spring. Here’s how their hard labour benefits humans, and why we should be more appreciative.
Places such as Berri were affected by Millennium Drought, caused by low cool-season rain. New materials and techniques are now being used to observe drought causes and water patterns in Australia’s history to help the future. Gary Sauer-Thompson/flickr

Recent Australian droughts may be the worst in 800 years

Australia has always suffered heat and flood, but a detailed seasonal rainfall reconstruction of the last 800 years shows the extremes are intensifying.
Long’s Peak framed by rock outcrop, Rocky Mountain National Park, Colorado. Roy Luck

Nitrogen from rock could fuel more plant growth around the world – but not enough to prevent climate change

Scientists have long thought most nitrogen in Earth’s ecosystems comes from the air, but new research shows it also is released as rocks weather. This could boost plant growth and help sequester carbon – but not fast enough to avert climate change, as some pundits have claimed.
Scientists on Arctic sea ice in the Chukchi Sea, surrounded by melt ponds, July 4, 2010. NASA/Kathryn Hansen

Melting Arctic sends a message: Climate change is here in a big way

Climate change is transforming the Arctic, with impacts on the rest of the planet. A geographer explains why he once doubted that human actions were causing such shifts, and what changed his mind.
While some argue globalization has been bad for the environment, the move towards deglobalization could spell serious trouble for climate. This photo from 2014 shows smoke streams from the chimneys of a coal-fired power station in Germany. (AP Photo/Martin Meissner, File)

Globalization may actually be better for the environment

Some experts argue globalization has been bad for the environment. But moving away from globalization could have other consequences that could be even more devastating for the environment.
Rising seas, harsher weather, rainier days. The impacts of climate change make it harder for Caribbean countries to plan their transition toward renewable energy sources. Ricardo Rojas/Reuters

Climate change may scuttle Caribbean’s post-hurricane plans for a renewable energy boom

The 2017 hurricane season showed that Caribbean nations urgently need more resilient power grids. But the effects of climate change – including more severe storms – complicate the shift to renewables.

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