"Ngozi Okonjo-Iweala has much loftier goals for the WTO... When asked about the link between climate change and trade, she said that policymakers should consider policies to address the climate implications of the logistics conducting trade—namely, how goods are transported—as well as the carbon-content of traded goods themselves. In particular, she calls for a carbon tax, which she said 'could be seen by finance ministers as another way of bringing in additional revenue whilst encouraging better economic behavior with respect to climate change.'”