GREEN SPACES ALLIANCE of South Texas Green Spaces Run the River 5k Walk/Run Saturday, November 17 at 8am. More info LAND CONSERVATION Our water – our nature. more... URBAN LAND AND WATER Oases of fresh food and green spaces. Grow with us... PICTURE YOUR WORLD Finding nature through a lens. Picture this... Our Mission is to sustain the natural environment and enhance urban spaces through land conservation, community engagement, and education.