Drugs? Every one has a choice and I choose not to do drugs.

My dad has always been the bohemian.

I created my foundation as a result of that and my website, and I try to shed some light on some very topical issues right now. The idea is to try to get people to become obviously more knowledgeable about the issue and try to get corporations and individuals to contribute to these nonprofit organizations.

We were both [ with Russel Crowe] hand-plucked to do [The Quick and the Death]. He had done Romper Stomper and I had done Gilbert Grape and so we were hand- plucked to do this big budget film. So we were both very bright-eyed and bushy-tailed.

It's not just global warming, it's not just a loss of biodiversity, it's not just the pollution of our oceans and the clearing of our rainforests and all these complicated systems, The [11th Hour] movie talks about the world economy, it talks about politics, it talks about personal transformation and environmental consciousness that we need to have in this generation to implement a lot of these changes that need to occur.

If you can unify the public mind saving an iconic species like the tiger, like they did with the panda, that means you have to protect their habitat and everything that they hunt. And that means saving massive, thousands of acres for them to be able to roam and breed. So it's more of a land effort.

And now it's your turn - the time to answer the greatest challenge of our existence on this planet is now.