A veteran environmental researcher at uOttawa, he has spent over three decades uncovering the quiet stories told by lakebeds and chemical fingerprints of human activity.

Monarch butterflies have always been remarkably resilient.

Pharmaceuticals used in healthcare provide huge health and economic benefits to society, but are now found extensively as pollutants across global waterways.

Newly identified methods to harness the properties of tungsten carbide could yield viable substitutes for precious metals like platinum.

Earthquake-detecting seismometers pinpoint sounds of space debris entering the atmosphere.

It started in the summer of 2013. Sea stars were dying in huge numbers in Washington State’s Olympic National Park: They became covered in white lesions.

Over many decades, coal mining in West Virginia has exposed sulfur-bearing rocks to oxygen, creating a widespread problem that continues to plague the region: the draining of highly acidic water into streams and creeks, which are then rendered lifeless.

Flowers emit scented chemicals to attract pollinators, but this perfume — and how pollinators interact with the plant — can go through profound changes as a crop becomes domesticated.

Many people are optimistic about ammonia’s potential as an energy source and carrier of hydrogen, and though large-scale adoption would require major changes to the way it is currently manufactured, ammonia does have a number of advantages.

Study reveals changes International Olympic and Paralympic Committees could implement to keep Games viable and safer for athletes.