In your twenties, you're trying to figure out who you are: making mistakes, wanting to be sexy, growing up as a woman.

Woman Up' is a fun female empowerment song.

I don't really have an average week, and because I travel so much with my job, it means I don't always have a typical weekend, either.

There's a part of me that always has the little bit of the sassy sexiness in her. That's probably why I ended up with The Pussycat Dolls in the first place.

The climate is changing, and anyone who disagrees is, in my view, still in denial.

I believe sustainable use is the greatest propaganda in wildlife conservation at the moment.

The climate informs the character.

First, how do we give everyone a fair shot at opportunity and security in this new economy? Second, how do we make technology work for us, and not against us - especially when it comes to solving urgent challenges like climate change? Third, how do we keep America safe and lead the world without becoming its policeman?