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Articles on Climate change

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Scientists have used author Henry David Thoreau’s notes to inform studies of climate change in eastern Massachusetts. Tom Stohlman/Flickr

By fact-checking Thoreau’s observations at Walden Pond, we showed how old diaries and specimens can inform modern research

Journals, museum collections and other historical sources can provide valuable data for modern ecological studies. But just because a source is old doesn’t make it useful.
As climate change accelerates, Farmers’ vulnerability to drought will depend on his choice of varieties and cropping practices. Raphael Belmin

From water conservation to crop selection, how farmers can take action against drought

As droughts intensify, how can we increase crop production in a sustainable way? This is a multidimensional scientific and societal challenge to ensure future food security.
While the European spongy moth outbreak reached a dramatic peak in parts of Canada last year, these caterpillars have completely vanished this year. (Washington State Department of Agriculture/flickr)

Why the spongy moth outbreak has vanished in Québec

Creating and preserving diverse forests can help us prepare for the next insect outbreak and protect our trees.
Thick smoke fills the air and nearly blocks out the sun, east of Kamloops, B.C., on Aug. 14, 2021. THE CANADIAN PRESS/Darryl Dyck

Wildfire smoke may warm the Earth for longer than we thought

Brown carbon refers to a range of pollutants found in smoke from wildfires. They can contribute to global warming before they undergo a process that alters their chemical properties.
Bees that can adapt to the changing climate around us offer hope for more research and better policy and conservation efforts. (Shutterstock)

What a buzzkill: Early-ending winters disrupt bumblebee slumber

Seventy-two per cent of native bumblebee species in North America are cutting their winter hibernation short by timing their emergence to earlier spring onsets.
The Koli community depend on fishing, but fish stocks off Mumbai’s coast have been declining. Akella Srinivas Ramalingaswami/Shutterstock

Facing the dual threat of climate change and human disturbance, Mumbai – and the world – should listen to its fishing communities

Facing human threats, Mumbai’s Koli community are taking risk reduction into their own hands – other vulnerable coastal settlements should take note.

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