In the studio we spend a lot of time working our what materials will work best and also last. We do tests and come back to them years later to see how they are still performing, and this leads our decisions.

Now that other people have my works, it's really important to me that what they have has longevity.

In one hundred years time people will look back and think 'these people were really worried about the environment, they were looking at things to do with global warming, and this is why they were making work about these issues'.

As we get older, our world gets smaller and we start to doubt and question. We are really suspicious of difference.

A child came up to me and asked 'am I dreaming?' I had a similar experience coming to the Art Gallery of South Australia when I was a child. My mum had done a workshop here and it stayed with me. It's an important formative time.

The idea that we can have a new life form, what does it say about the zoo's main purpose, which is to preserve life? What does it say when the artificial and real animal can have the same attraction to people?

I don't connect accessibility with lowest common denominator.