Skip to main content
Our Team

Jonathan Kalmuss-Katz

Supervising Staff Attorney

Jonathan Kalmuss-Katz is a supervising staff attorney based out of the Northeast Office in New York.

“He sort of MacGyvered the system.”
– Jessica EnnisEarthjustice legislative representative, on David Brosch's work to bring solar power to his Maryland neighborhood.
The Stories to Read On Clean Energy

Maryland Passes Suite of Encouraging Climate and Energy Legislation

Advancing Clean Energy In Hawai‘i

Apoye La Energía Verde en Puerto Rico

What You Need To Know This Week

Earthjustice is the premier nonprofit environmental law organization. We wield the power of law and the strength of partnership to protect people’s health, to preserve magnificent places and wildlife, to advance clean energy, and to combat climate change. We are here because the earth needs a good lawyer.