Many older school buildings lack air conditioning, leaving fans as the main defense against classroom heat.
RJ Sangosti/MediaNews Group/The Denver Post via Getty Images
Mold spores, 90-degree classrooms and aging pipes: An environmental health expert explains why Pennsylvania’s old schools are harder on kids than adults.
A hole on the Sauvagine Bridge in Chateauguay, Québec, on March 4, 2026.
(Eric Allard, Mayor of Chateauguay/Facebook)
To ensure the safety of Canada’s aging infrastructure, policymakers must be proactive instead of reactive.
A worker smooths concrete at a construction site in Toronto. Concrete is the most widely used construction material, known for its durability and low maintenance, but it is still susceptible to cracking.
THE CANADIAN PRESS/Cole Burston
Concrete is the most widely used construction material, so developing ways to make it more durable can improve infrastructure and save millions in costs.
With a construction site (right) on the northern side in full operation, traffic crosses the l'Île-aux-Tourtes bridge from the western tip of the island of Montréal in December 2023 after a large crack was found during repairs to the bridge.
(THE CANADIAN PRESS/Peter McCabe)
Due to environmental conditions in Canada, freeze-thaw cycles, road salt and moisture are serving to accelerate cracking and surface deterioration of concrete bridges.
