By 2002, drivers in London, England, were spending as much as half their commuting time stalled in traffic, contributing to much of the city centre’s dangerous particulate pollution. To deal with a growing population, increasing gridlock and air quality concerns, the city implemented a congestion charge, using a photo-based licence-recognition system.

According to an African proverb (and the Dalai Lama), “If you think you’re too small to make a difference, try sleeping in a closed room with a mosquito.” The saying implies that even when we feel insignificant and powerless, we can create a buzz. But mosquitoes and other tiny critters can literally have a huge impact.

Shortly after completing my PhD in the U.S., I taught in the University of Alberta’s genetics department. It’s also where…

Canada has taken a major step in cleaning up its oil and gas sector. We’re the first country to commit to methane emission regulations for the industry, marking an important shift toward climate protection.

“We’re not going to get off fossil fuels overnight!” How many times have you heard that? Over the decades I’ve…

On March 31, an underwater pipeline carrying oil to a refinery in Balikpapan, Indonesia, broke, spreading crude over 20,000 hectares of Balikpapan Bay. Some of it ignited, killing five fishermen. Area residents experienced health problems including nausea, vomiting and respiratory difficulties, and marine life and mangroves were also devastated.