California Gov. Jerry Brown (D).(Max Whittaker/Reuters)

California Gov. Jerry Brown (D), speaking Sunday on NBC's "Meet the Press," deemed Sen. Ted Cruz (R-Tex.) "unfit" to run for president because of his views on climate change.

"That man betokens such a level of ignorance and a direct falsification of the existing scientific data," he said. "It's shocking, and I think that man has rendered himself absolutely unfit to be running for office."

Brown said there should be urgency to deal with climate change. "I think this almost has to be at the level of a crusade," he said.

This week, Brown announced a $1 billion emergency package to deal with the state's drought, which is entering its fourth year. "We are running out of time because it's not raining," he said. "This is a serious matter we're experiencing in California, as kind of a foretaste. But there is no doubt that into the future, we're going to have more problems." He also said research results show a "connection" between California's drought and climate change.

When asked by host Chuck Todd whether he would run for president if he was 10 years younger, Brown said he would.