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Canada

Pyrocumulus cloud photographed in the air
Posted inNews

What Wildfire Smoke Tells Us About Nuclear Winter

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 8 August 201928 February 2022

A cloud of smoke from 2017 Canadian wildfires was so huge that it self-lofted and stayed in the atmosphere for 8 months. Scientists used it as an example for climate simulations of nuclear warfare.

A small rowboat sits on the edge of Lake Sinclair, one of five lakes in north central New Brunswick surveyed for the new study on DDT contamination.
Posted inNews

The Toxic Legacy of DDT Lives On in Remote Canadian Lakes

Mary Caperton Morton, Science Writer by Mary Caperton Morton 23 July 20199 May 2022

DDT and its breakdown products permeate lake sediments decades after the pesticide was banned.

Rocks of the Saglek Block in Labrador
Posted inNews

When Water Met Rock

Lucas Joel by L. Joel 17 May 201920 June 2024

Geologists discover rocks bearing the earliest known evidence of water interacting with rock on Earth’s surface.

A plastic bag drifts in a shallow sea.
Posted inNews

Satellite Imagery Reveals Plastic Garbage in the Ocean

Katherine Kornei, Science Writer by Katherine Kornei 15 April 20193 March 2023

Using high-resolution satellite data, scientists pinpoint discarded plastics floating off the coasts of Canada and Scotland.

A white man in a fedora looks into the gaping maw of a T. rex fossil.
Posted inNews

King of the Tyrannosaurs Goes on Display

Mary Caperton Morton, Science Writer by Mary Caperton Morton 10 April 20194 October 2022

The biggest, oldest T. rex found to date shows how big tyrannosaurs could get.

A tornado touches down near Elie, Manitoba, Canada, in June 2007
Posted inNews

Before Canadian Scientists Can Study Tornadoes, They Have to Find Them

by R. Kaufman 22 March 201925 July 2022

A yearlong project aims to find more than 150 “missing” tornadoes thought to hit Canada each year.

A researcher collects a rock sample for dating
Posted inResearch Spotlights

More Evidence Humans Migrated to the Americas via Coastal Route

by Terri Cook 7 February 201928 October 2022

A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.

A scientist installs GPS equipment to monitor earthquakes.
Posted inResearch Spotlights

Ancient Faults Amplify Intraplate Earthquakes

by Terri Cook 23 January 20194 October 2022

A comparison of deformation rates from Canada’s Saint Lawrence Valley offers compelling evidence that strain in the region is concentrated along ancient structures from previous tectonic cycles.

Cache Lake in Ontario, Canada, surrounded by northern hardwood forest.
Posted inResearch Spotlights

Hydrology Dictates Fate of Carbon from Northern Hardwood Forests

Aaron Sidder, freelance science writer by Aaron Sidder 12 October 201821 March 2022

As spring snowmelt and fall rains inundate northern hardwood forests with moisture, soil bacteria get moving and increase carbon exports to the atmosphere and into nearby water bodies.

Posted inEditors' Highlights

Getting Littoral with Lake Carbon Efflux

by Ankur R. Desai 27 April 20188 November 2022

Next generation forced diffusion chambers reveal dynamic environment for lake carbon exchange with distance from shoreline.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

Our Ocean’s “Natural Antacids” Act Faster Than We Thought

30 January 202630 January 2026
Editors' Highlights

Cows, Coal, and Chemistry: The Role of Photochemistry in Methane Budget

27 January 202623 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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