All Question On One Page true false Katharine Hamnett started campaigning on sustainability recently. 2 Her business was doing badly in the 1980s. 2 She discovered that the raw materials she was using were bad for the environment. 1 At that time, many fashion designers preferred organic cotton. 2 She puts important messages on the T-shirts she designs. 1 She successfully found a material to use instead of fur. 1