Conversation: The dramatic fall in Europes carbon price in April led to claims emissions trading had failed as a model for addressing climate change. While the low EU price is problematic for the EU and Australia (by virtue of our linkage with the EU), carbon pricing is still the most efficient tool to address climate change at the scale required.
It may be more productive to discuss what we can learn from the European Unions experience. What design features should be built into both existing and future emissions...