2020

  • Myakka River State Park
  • Collier-Seminole State Park
  • San Joaquin Historical Society & Museum
  • Fakahatchee Strand
  • Copeland Properties
  • Ritz-Carlton Laguna Niguel
  • Tijuana River National Estuarine Research Reserve
  • Pismo State Beach and Oceano Dunes
  • San Francisco Peninsula Watershed Trail
  • Franklin Canyon Park/Sooky Goldman Nature Center
  • West Coyote Hills

2019

  • Edward C Little Water Recycling Facility
  • Aliso and Wood Canyons Wilderness Park
  • Lodi Lake Nature Area
  • Environmental Discovery Center at Spring Lake
  • California Trail Interpretive Center
  • Portola Springs Community Center
  • Bolsa Chica Wetlands Interpretive Center
  • Bommer Canyon

2018

  • Holden Forests and Gardens
  • South Cove
  • Silver Creek Preserve
  • Heritage Hill
  • Bolsa Chica Conservancy
  • Sacramento-San Joaquin Delta
  • Garden Grove Unified School District
  • Wyland Foundation
  • Village of Putuidem at Northwest Open Space
  • Agua Hedionda Lagoon
  • Brand Park and Seven Trees Trail
  • San Francisco Peninsula Watershed

2017

  • Lindsay Wildlife Experience
  • Historic Greenspot Bridge Trail
  • Diamond Valley Lake Visitor Center
  • Flat Ranch Preserve
  • Russian River Watershed Education Center
  • Monterey Presidio
  • Pinole Creek
  • Red Butte Garden
  • San Clemente State Beach
  • Hayward Shoreline Interpretive Center
  • Manassas National Battlefield Park
  • Upper San Gabriel Valley Municipal Water District
  • Railtown 1897 State Historic Park
  • Google

2016

  • Google
  • Palos Verdes Peninsula Land Conservancy
  • Edward C. Little Water Recycling Facility
  • Madrona Marsh Preserve and Nature Center
  • San Diego International Airport and San Diego Air and Space Museum
  • National Disaster Search Dog Foundation
  • Moores Creek National Battlefield

2015

  • Henrietta and Entradero Basins
  • Anza-Borrego Desert State Park Panels
  • Fakahatchee Strand
  • Owens Lake
  • University of California, Irvine Ecological Reserve
  • Alameda Creek Watershed Center
  • Shipley Nature Center
  • Huntington Beach Wetlands Conservancy
  • Orange County Water District
  • The Nature Conservancy
  • Kingwood Center Gardens
  • Big Cypress Bend Boardwalk
  • Anza-Borrego Desert State Park Interpretive Master Plan
  • Hayward Shoreline Interpretive Center

2014

  • Ocean Institute
  • Harbor City Greenway
  • Rancho Los Cerritos Historic Site
  • Unidad Park
  • Little Corona Marine Life Refuge
  • Oregon Metro and the Oregon Zoo
  • Pittsburgh Botanic Garden
  • Stanfield Marsh
  • Valle de Oro National Wildlife Refuge
  • Placerita Canyon Nature Center
  • Ameal Moore Nature Center at Sycamore Canyon
  • Carpinteria State Beach
  • California Living Museum
  • Santiago Oaks Regional Park
  • Hayward Shoreline Interpretive Center
  • Silverwood Lake State Recreational Area
  • Orange County Water District

2013

  • National Park Service/Trail of Tears
  • Crystal Cove State Park
  • Redlands Conservancy
  • Kuwait Institute for Scientific Research
  • Heritage Farm, Seed Savers Exchange
  • Aliso and Wood Canyons Wilderness Park
  • Huntington Beach Wetlands Conservancy
  • Bolsa Chica Conservancy
  • Natural Parkland and Trail
  • Catalina Verdugo and Mountain Do Trails
  • Buck Gully
  • Orange County Water District
  • Serrano Adobe

2012

  • Strathern Wetlands Park
  • Pismo State Beach Visitor Center
  • Agriculture Museum (Museum of Ventura County)
  • Fellows Riverside Garden
  • Palos Verdes Peninsula Land Conservancy
  • Mount San Jacinto State Park
  • Cuyamaca Rancho State Park
  • Madrona Marsh Preserve
  • Orange County Coastkeeper Garden
  • Orange County Historical Commission
  • Flight 93 National Monument
  • DeForest Wetlands
  • Alameda Creek Watershed Center

2011

  • Quail Hill Community Center
  • Bommer Canyon
  • Santiago Oaks Regional Park
  • River Oaks Park
  • Chadwick School
  • PlayCore
  • Garvan Woodland Gardens

2010

  • Little Bighorn Battlefield National Monument
  • Lincoln Children’s Forest
  • Inspiration Park
  • McCrory Gardens
  • Lodi Lake Park
  • Placerita Canyon Nature Center
  • West Basin Municipal Water District
  • Cooley Landing
  • Palos Verdes Peninsula Land Conservancy
  • Humboldt Coastal Nature Center
  • White Point Nature Preserve
  • Orange County Historical Commission
  • Dana Point Headlands Nature Interpretive Center
  • Arlington Heights Park
  • San Dieguito River Park

2009

  • Education and the Environment Initiative, Managing Editorship
  • Bolsa Chica Conservancy
  • West Coyote Hills
  • Endangered Habitats League
  • Mary Vagle Nature Center
  • Kern River Park
  • Ecolife Foundation
  • Big Canyon Creek
  • Mary’s Trail: Laguna Coast Wilderness Park

2008

  • White Point Nature Preserve
  • Dunster Marine Reserve
  • Limestone Canyon & Whiting Ranch Wilderness Parks
  • Back Bay Science Center
  • George F Canyon Nature Center
  • Huntington Beach Wetlands Conservancy
  • Agua Hedionda Lagoon
  • Coral Mountain Discovery Park
  • Edgewood Park and Natural Preserve
  • Pacific Marine Mammal Center

2007

  • Big Canyon Creek
  • Irvine Ranch Conservancy
  • Laguna Lake Park
  • Madrona Marsh Preserve
  • Chilao Visitor Center
  • Dominguez Gap Wetlands
  • City of Long Beach

2006

  • Pennsylvania Department of Conservation and Natural Resources
  • Oregon State Parks—Coos Bay Region
  • Pacheco Creek
  • Orange County Historical Commission
  • James and Rosemary Nix Interpretive Center
  • South Coast Wilderness
  • San Diego Zoological Society
  • Sun Valley Watershed Project
  • City of Laguna Beach
  • New Mexico Farm and Ranch Heritage Museum
  • White Point Nature Preserve

2005

  • America’s Ocean Challenge, Summerhays Films
  • San Diego Zoological Society
  • Los Angeles River Bikeway at Golden Shore Marine Reserve
  • Laguna Lake Park Restoration Project
  • Unified Education Strategy (Senate Bill 373, State of California)
  • Education and the Environment Initiative
  • Riley Wilderness Park
  • Unified Education Strategy: State of California
  • Descanso Gardens
  • San Gabriel River Discovery Center
  • Fitzgerald Marine Reserve

2004

  • Laguna Canyon Foundation
  • Irwindale Park
  • Rancho Santa Ana Botanic Garden
  • Guadalupe-Nipomo Dunes
  • Haramokngna Cultural Center

2003

  • Environmental Education Compendium on Energy Resources and the Atmosphere
  • California Institute for Biodiversity
  • Los Angeles Zoo
  • San Mateo County Parks Environmental Education Program
  • Big Sur Station
  • Descanso Gardens
  • Ballona Wetlands

2002

  • Edgewood Park and Natural Preserve
  • El Dorado Nature Center
  • Alta Laguna Park
  • Santa Fe Canyon
  • Golden Shore Wetlands
  • Environmental Education Compendium on Communities
  • Santa Barbara Botanic Garden
  • California Plan for Environmental Education

2001

  • Rancho Santa Ana Botanic Garden
  • Descanso Gardens
  • Laguna Coast Wilderness Park
  • Redwood National and State Parks
  • Long Beach Harbor

1999

  • California Institute for Biodiversity
  • Forest Service History Center
  • Santa Barbara Botanic Garden
  • Santa Rosa Plateau Ecological Reserve and Multi-Species Reserve
  • Ormond Beach Habitat Resource Area
  • Santa Barbara Botanic Garden
  • Descanso Gardens
  • Integrated Waste Management Environmental Education Compendium Project
  • The Huntington Botanical Gardens
  • San Gabriel Canyon

1998

  • Pt. Vicente Interpretive Center
  • El Dorado Nature Center
  • Bear Divide Chaparral Trail
  • Lost Valley Scout Reservation

1997

  • George F Canyon Preserve in Rolling Hills Estates
  • Sepulveda Basin Wildlife Park
  • Canyon Park Nature Center

1996

  • Chaffee Zoological Gardens of Fresno
  • Water Resources Environmental Education Compendium
  • Western San Gabriel Watchable Wildlife Tour

1995

  • Mt. Baldy Visitor Center
  • Bolsa Chica Interpretive Center
  • Department of Conservation Evaluation Study
  • California State Parka Environmental Education Training Program

1994

  • Golden Cup Discovery Trail
  • Energy Resource Center
  • West Fork of the San Gabriel River
  • Curriculum Development, University of California Natural Reserve System
  • Wildlife Refuge Feasibility Study
  • Human Communities Environmental Education Compendium
  • Grassy Hollow Visitor Center

1993

  • Caring for the Land Exhibit
  • Whispering Pines Trail Guide
  • Alandale Ranger Station
  • Curriculum Development for Texas A & M University
  • Curriculum Development for Opera Pacific

1992

  • Zoo Discovery Program