My friend James Cameron and I made three films together - True Lies, The Terminator and Terminator 2. Of course, that was during his early, low-budget, art-house period.

Some information I just keep to myself.

Combating climate change requires collaboration with many levels of government.

Bodybuilders and fitness people have been using, very extensively, chiropractors in order to stay healthy and fit. Whenever I had a little problem with my body, I always ran to one of my dear friends, Dr Franco Columbo, he was always right there with the adjustments. This is how I found out the best way of going, is to use chiropractors, not only after injuries , but also before injury.

The message I am trying to get across is exactly this: Protecting the environment does not require us to be against large SUVs or trucks. Instead we should develop technology to cut down greenhouse gas emissions because that is where the action is - it's not about what the size of the car is.

California will not wait for our federal government to take strong action on global warming. We won't wait for the federal government. We will move forward because we know it's the right thing to do. We will lead on this issue and we will get other western states involved. I think there's not great leadership from the federal government when it comes to protecting the environment.

Thirty-six years after coming to America, the man once known by fellow body­builders as the Austrian Oak was elected governor of California, the seventh largest economy in the world.