Knowledge Stream

  • The climate change workshop at Elkus Ranch.
    UC ANR symposium focuses on climate change policy and environmental justice

    On a crisp fall morning at University of California Agriculture and Natural Resources' Elkus Ranch, a group of scholars and practitioners gathered for a daylong public symposium on “Advancing Climate Change Policy and Environmental Justice in...


    By Clare Gupta
    Author - UC Cooperative Extension specialist
  • Campers learn from UC scientists at one of the river education stations.
    A river runs through it: UC scientists teach rural youth about river health

    Rivers are an important part of our communities. However, some agricultural practices can detrimentally affect river health and water quality. The University of California Cooperative Extension conducts research and extension to educate growers about...


    By Houston Wilson
    Author - Assistant Cooperative Extension Specialist
    By Rebecca Ozeran
    Author - Livestock and Natural Resources Advisor
    By Phoebe Gordon
    Author - Orchard Crops Farm Advisor
    By Rob Straser
    Author
  • The awns on medusahead can irritate and injure cattle.
    Managing weeds on public lands

    Many factors make weed management on federal public lands an interesting challenge. In September I was invited to join one of the Sierra National Forest Rangeland Management Specialists to explore a medusahead infestation in one of the grazing...


    By Rebecca Ozeran
    Author - Livestock and Natural Resources Advisor
  • Graduate student Nathan Jumps revisiting Englewild Canyon to collect additional sediment samples. (Photo: A. Gray)
    Fire and water: Researching debris flows to mitigate post fire storm hazards

    Destructive debris flows, commonly known as mudslides, have affected many parts of California in the past few years. Debris flows can cause extensive damage to homes and infrastructure, and threaten human safety. A related issue that gets less attention...


    By Kathryn M Stein
    Author - Executive Assistant
  • Landscape trees provide shade, reduce interior energy use and related costs, and beautify communities.
    Invest in tree care today for a greener tomorrow

    Landscape trees provide shade, reduce interior energy use and related costs, and beautify our communities. They also help clean our environment by absorbing carbon dioxide emitted by vehicles and other producers of fossil fuels. Taking care of your trees...


    By Janet Hartin
    Author - Area Environmental Horticulture Advisor and County Co-Director