Advancing the policy, science, and advocacy required to preserve the orbital environment for future generations
THE ISSUES
LATEST ADVOCACY AND ANALYSIS
September 22, 2026 — CSE has submitted a formal response to the U.S. Federal Communications Commission regarding SpaceX's Starmind mega-constellation ex parte presentation. Our filing demonstrates that deploying 1 million four-tonne satellites will inject 800,000 metric tons of aluminum oxide nanoparticles into the upper atmosphere annually through reentry ablation, rely on flawed 15-Joule demise models disproven by real-world debris impacts, evade oversight of its optical laser mesh, and dramatically heighten Kessler Syndrome risks through untracked sub-10 cm debris collisions. Read the Full Filing →
September 16, 2026 — The Center for Space Environmentalism has submitted formal comments and procedural motions to the Federal Communications Commission regarding Amazon Leo's proposed Direct-to-Device mega-constellation. Our filing highlights unaddressed upper-atmosphere pollution, optical/infrared pollution, and sweeping spectrum waivers, while formally challenging Amazon's attempt to hide vital orbital debris safety data behind FOIA trade-secret exemptions. Read the Full Filing →
September 13, 2026 — Louisiana Governor Jeff Landry recently announced plans for a massive $100 billion SpaceX spaceport in the state's coastal marshes. Our latest analysis examines the extreme promises of "Starbase, Louisiana", including thousands of annual Starship flights, and questions the high-stakes economic and environmental risks for a local community heavily reliant on agriculture and fisheries. Read the Full Editorial →
August 31, 2026 — The Federal Aviation Administration has proposed a rule granting blanket waivers that would exempt commercial launch and reentry operations from 13 foundational federal environmental statutes. Our newly filed comment refutes claims of administrative bottlenecks and urges the FAA to retain statutory environmental oversight. Read the Full Comment →
THE CENTER
The Center for Space Environmentalism is an organization that serves as a hub of activity surrounding all aspects of the space environment.
RESOURCES
Learn about space environment issues and key areas of discussion.
CONTACT
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