Category: Solutions

  • On-farm Treatment Options for Wastewater, Greywater and Fecal Sludge

    On-farm Treatment Options for Wastewater, Greywater and Fecal Sludge

    Fecal contamination of urban and peri-urban water bodies is a major health issue in most low- and middle-income countries, where population growth exceeds the rate of development of wastewater or fecal sludge collection and treatment infrastructure. While the expansion of sewer systems and treatment capacity remain a high priority for municipal authorities, there are opportunities…

  • Salmon surge: Habitat improvements paying off on one California river

    Salmon surge: Habitat improvements paying off on one California river

    A chinook, also called king salmon, attempts to jump up the fish ladder to the hatchery on the Mokelumne River in the Sierra foothills, where fisheries biologists say improved habitat in recent years has paid off. Photo: Mason Trinca / Special to The Chronicle 2017 Near record numbers of chinook salmon are surging up the…

  • El Paso to drink treated sewage water due to climate change drought

    El Paso to drink treated sewage water due to climate change drought

    Video: Sanjay Gupta assesses climate change impact 04:20 (CNN) The people of El Paso, Texas, are resilient. Living in the middle of the harsh Chihuahuan Desert, the city has no other choice. On average, 15 days every year spike over 100 degrees Fahrenheit. The city gets little relief with annual rainfall of just about 9…

  • Mere sunlight can be used to eradicate pollutants in water

    Chemists present new process to produce hydrated electrons — ScienceDaily Advances in environmental technology: You don’t need complex filters and laser systems to destroy persistent pollutants in water. Chemists have developed a new process that works using mere sunlight. The process is so simple that it can even be conducted outdoors under the most basic…

  • ‘Living With Water’: Facing Climate Change, Cities Trade Sea Walls for Parks

    ‘Living With Water’: Facing Climate Change, Cities Trade Sea Walls for Parks

    Photo: A firefighter wades through Boston floodwater earlier this year. Under a new plan, the city would allow the rising water to come in to the city, rather than fighting to keep it out. Michael Dwyer/The Associated Press To protect itself from a devastating flood, Boston was considering building a massive sea wall, cutting north…