Elon Musk said he fears a single world government could lead to the 'collapse' of civilization while speaking at a World Government Summit

• Elon Musk spoke at the World Government Summit via video link on Wednesday.
• He warned that a "single world government" could lead to the collapse of civilization.
• "If we are too much of a single civilization, the whole thing may collapse," he said.

In an appearance at the World Government Summit on Wednesday, Elon Musk warned against the dangers of a singular global government.

"Seemed like the right venue," Musk later tweeted in reply to a video of his comments.