Robert Lundahl began his career as a location cinematographer for national sports programming. It was natural then to begin producing, as a Corporate Communications Director for a regional utility, which led him to create and manage one of the first corporate video departments in the West.

Fate brought him later to Silicon Valley, where his company, then Robert Lundahl and Associates, now Agence RLA, LLC, produced, directed, and evolved creative problem solving, design and communications for Fortune 500 firms globally, including Sun Microsystems, Credit Suisse, the San Jose Sharks, Blue Cross Blue Shield, AT&T, and Ericsson.

He worked in 23 countries on behalf of Sun Microsystems and its partners including Mitsubishi and Sharp Electronics (Japan), Japan's Kenji Ekuan Design Studio, Brazil's Space Agency, INPE, IBAMA, Environmental Agency, Parana state Governor, and former Curitiba Mayor, Jaime Lerner, Argentina's Quilmes Brewery, Germany's SAP, "Green" Architect, William McDonough and Associates, The University of Virginia, Jamaica's National Commercial Bank of Jamaica (NCB), NASA, and many others.

His work in China (East Meets West: The Development of the Internet in China, e-Commerce in China, Building e-Commerce In China, and Western Venture Capital in China). helped client Sun Microsystems develop business relations in the PRC, facilitating cooperation between the two nations in the IT space, With the National Information Infrastructure Steering Committee, People's Republic of China. Broadcast aired on CCTV, CNN Europe, TVO Canada, and over 4000 times on US Public Television as interstitials, via Station of Entry KCSM and distributed by Zeiden Media. It gained exceptional Neilson performance. Lundahl's company, RL | A, produced, and as such he executed duties as head writer on the series.

Concurrrently, Lundahl sought new dimensions through independent filmmaking and by managing large environmental campaigns. His work in Washington state, on the Elwha River Dam Removal and Ecosystem Restoration Act, created the largest dam removal success story anywhere in the world (Unconquering the Last Frontier), by influencing public opinion and helping remove barriers, setting the stage for other dam removal and river restoration achievements to come on the Klamath, the Snake, the Trinity, and Matilija rivers.

The film was "4 walled" in the San Francisco Bay Area, Fine Arts Theater, Oakland, Dolby Labs, San Francisco, and in Washington, Seattle, Olympia, and Port Angeles, packing Theaters. “Unconquering” was broadcast on PBS stations, distributed for television by Zeiden Media, and educationally by Bullfrog Films.

His film "Song on the Water" premiered on KCTS, Seattle, and was aired nationally in over 80 cities, also distributed by Zeiden Media. Song on the Water celebrates Coast Salish and Nuu Chah Nulth canoe traditions and songs, providing a vision of positive futures for Native American youth.

Lundahl was contracted to write and create a seminal investigative documentary on Military Base Conversion in California, in three parts, 'Bad Soil", "Dead Men Tell No Lies", and "Code of Silence". The film focuses on questionable homebuilding practices at Hunter's Point Naval Shipyard, and El Toro Naval Marine Air Station, and delves into the relationship between the Great Recession of 2008/9 and unsound lending practices. He worked with Marine Corps veterans groups on toxic pollution and contamination.

It resulted, in positive outcomes including the establishment of the non-toxic cities movement, spearheaded by Kathleen Haddad and Kim Konte.

His work in the Mojave Desert (Who Are My People?) supported Native American law and environmental justice for Southern California's 44 tribes and stopped or delayed several large (and damaging) energy projects. He crafted a legal complaint and supported litigation with a global PR campaign to over 150 outlets via AP (twice), and via viral videos capturing search traffic.

The film anticipated BLM (Bureau of Land Management) approval processes for projects by large developers on federal lands, despite violations or evasion of laws including the National Historic Preservation Act of 1966, the Antiquities Act of 1906, and the National Environmental Protection Act (1970). The film enjoyed a theatrical release across five states, California, Nevada, Arizona, Oregon, and South Dakota.

Lundahl began producing Cinema Verite Radio Documentaries, weekly, on KPFK Los Angeles 90.7, in 2022, continuing into 2025, numbering 74 total, available on PRX, Public Radio Exchange and SoundCloud.