Energy codes are emerging or being updated nationwide. As air leakage testing becomes a requirement, some testers wonder what value it adds over informed visual inspections. Arguments about equipment ...

Smoke from forest fires and residential wood burning is a significant source of PM 2.5. Over one-third of total Canadian concentrations of particles with an aerodynamic diameter less than 2.5 μm (PM 2 ...

As crews race to remove hazardous household debris from the burn zones of the Eaton and Palisades fires, federal environmental officials are seeking to reassure a fire-weary public over the quality of ...

Long-term trends in outdoor temperatures brought about by climate change 1 can be expected to alter the air exchange between indoor and outdoor environments based on simple physical considerations.