Carbon market mechanisms such as emissions trading systems and crediting mechanisms can have multiple objectives. A key goal is to lower the cost of achieving greenhouse gas (GHG) emissions reductions. Market mechanisms can also catalyse investment in low carbon technologies and practices,...

The importance of cities in climate policy stems from the simple reality that they house the majority of the world’s population, two-thirds of world energy use and over 70% of global energy use emissions. At the international level, global carbon markets have become an important new source of...