An international team of researchers led by engineers from the University of Toronto analyzed resource consumption data from the world’s twenty-seven largest cities. The survey, published this week, analyzed cities’ natural gas and electricity use, and waste disposal. Findings could be used to create strategies for making the worst offenders more sustainable.
The environmental group American Rivers, released a list of the top ten rivers in the country facing imminent threats on Tuesday. A portion of the Colorado River, which winds through the Grand Canyon sits at the top of that list. The group sites plans for a major construction project in the canyon, a proposed expansion of groundwater pumping, and a desire to reopen an inactive uranium mine in the area.