The system is able to generate electricity thanks to a type of symbiotic bacteria that lives alongside the moss. When moss photosynthesizes, some of the organic compounds it produces are released ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. We like to repeat architect Carl Elefante's adage that "the ...

Green roofs can diffuse heat that would otherwise be absorbed through your roof in warmer months and act as an added layer of insulation when it’s chilly outside. Often considered to be one of the ...

At the industrial Portland warehouse of solar-power and green-roof purveyor SolTerra Systems, 1,200 plants do the dusting. “We used to mop twice a week,” says SolTerra president Brian Heather of ...

Green walls are regularly used throughout Europe and Asia, and in Tokyo they are considered more valuable than green roofs for cooling the city. But the vegetated green wall is still new to the ...