We know D.C. Get our free newsletter to stay in the know.

My, the Solar Decathletes have been busy. Since we checked in last week, they’ve gotten 12 U.S. senators—11 Democrats and one independent—to sign a letter asking the Secretaries of the Interior and Energy to put their event back on the National Mall.

“This is only the beginning,” promises organizer Elisabeth Neigert.

[scribd id=48092125 key=key-tr7o38pqxqcejvy1o7 mode=slideshow]