Peter J. Irga

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April 16, 2026

When oil refineries burn, here’s what happens to your lungs and heart

Brian Oliver, University of Technology Sydney and Peter J. Irga, University of Technology Sydney

The blaze at the Geelong oil refinery in Victoria has reportedly been extinguished. But residents in the area may be worried about the health effects of lingering smoke.

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August 16, 2023

A green roof or rooftop solar? You can combine them in a biosolar roof, boosting both biodiversity and power output

Peter J. Irga, University of Technology Sydney; Eamonn Wooster, Charles Sturt University; Fraser R Torpy, University of Technology Sydney; Jack Rojahn, University of Canberra, and Robert Fleck, University of Technology Sydney

A new study shows we can maximise the benefits of green roofs and rooftop solar systems by putting them together on the one roof.

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June 18, 2020

‘Like having a truck idling in your living room’: the toxic cost of wood‑fired heaters

Peter J. Irga, University of Technology Sydney; Brian Oliver, University of Technology Sydney, and Fraser R Torpy, University of Technology Sydney

Australians choked through a smoke-ridden summer during the bushfire crisis. But many of us are unaware of the silent damage indoor wood fire heaters are doing to our health.

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When oil refineries burn, here’s what happens to your lungs and heart

A green roof or rooftop solar? You can combine them in a biosolar roof, boosting both biodiversity and power output

‘Like having a truck idling in your living room’: the toxic cost of wood‑fired heaters

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