The Vivienne Westwood Gold Label 2013-14 Autumn/Winter collection show was held during Paris Fashion Week. We spoke to Vivienne herself at the venue about the thoughts she put into her new collection.

--What was the inspiration for this collection?

For this collection, my imagination was sparked by an illustration in a medieval manuscript I came across by chance, which led me to reflect on the Middle Ages. The typography used there was also beautiful, and I incorporated it into the designs as a message print.

The Crusades, which took place during the time of this manuscript, were an important event. The Crusaders brought back to Britain from Italy and Eastern countries not only beautiful fabrics and luxury goods, but also cultures, ways of thinking, and other ideas, which had a profound impact on later civilizations. This collection sublimates the medieval mood and clothing of the time into contemporary wear.

--Why are you drawn to the history and costumes of past eras?

I referenced medieval costumes because I wanted to create something futuristic. By looking back at the past and examining it from our own perspective, humans can envision the future they want. That's what fashion design is all about, and I believe that by referencing the past, we can create a more beautiful world.

--Why do you infuse your collections with political meaning?

Because an "economic" perspective lacks the power to envision a better future. That's why I see fashion as an opportunity to express a political message.

--Why have you been calling for a "climate revolution" to prevent global warming for so many years?

Economic activity and the global environment are closely linked. What's good for the environment is clearly good for the economy, and an environmental crisis leads to an economic crisis. Moreover, the effects will be long-lasting. If global warming continues at its current rate, humans will become extinct. We should not sacrifice the future of the Earth and humanity for current business opportunities. This is not a national issue, but a human issue. It's important for all generations, so governments must step up.

I support all NGOs, and this time I particularly supported the global environmental organization Greenpeace's efforts to protect the Arctic, so I handed out message cards at the show to support them. The Arctic is an area severely affected by global warming and is one of the areas that most needs protecting, yet various countries are currently trying to ravage the Arctic in search of oil and fishing grounds. The Arctic belongs to no one. In June 2012, I launched the international campaign "Save the Arctic." Already, 2.5 million people, including Hollywood stars, musicians, and business leaders, have participated.

--Finally, a message to your Japanese fans?

I have just one message for you: "SAVE THE ARCTIC, SAVE THE WORLD."