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Articles on Climate change

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Retailers’ costs for managing returns are rising. Ronny Hartmann/picture alliance via Getty Images

Inside the black box of Amazon returns

Returns are becoming a costly sustainability problem for retailers and the planet. A supply chain expert explains.
Warmer temperatures could lengthen the growing season of trees and consequently increase their growth rate. (Shutterstock)

Climate change is making trees bigger, but also weaker

A longer growing season for trees, due to global warming, does not necessarily lead to an increase in wood production.
The Sudbury 17 wildfire burns east of Mississagi Provincial Park near Elliot Lake, Ont., in this June 4, 2023 handout photo. THE CANADIAN PRESS/Handout, Ontario Ministry of Natural Resources and Forestry

Canada urgently needs a FEMA-like emergency management agency

Creating a federal agency — let’s call it the Emergency Management Agency of Canada or EMAC — would support comprehensive emergency management as Canada faces more and more natural disasters.
The Weddell Sea helps power the great ocean conveyor, which moves heat, carbon dioxide and nutrients around Earth’s ocean basins. Janelle Lugge/Shutterstock

Slowing deep Southern Ocean current may be linked to natural climate cycle – but that’s no reason to stop worrying about melting Antarctic ice

Freshening seawater around Antarctica is disrupting a global ocean conveyor which regulates the climate.
Smoke from wildfires hangs over Parliament Hill in Ottawa on June 6. THE CANADIAN PRESS/Sean Kilpatrick

Wildfire smoke FAQ: What’s happening with air quality right now and why? What are the risks? How do I protect myself short-term? What about long-term protection? Is this the ‘new normal?’

Answers to some of the most common questions about wildfire smoke, health risks and the air quality situation affecting most of North America.

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