This chapter profiles the Deep Decarbonization Pathways Project (DDPP) teams from the 16 highest greenhouse gas emitting countries that are developing national blueprints for limiting global warming to 2 degrees Celsius or less. In particular, this chapter highlights back-casting, so that decarbonization today can have the intended impact of limiting global warming. Notably, initiatives such as this can tackle "emissions dead-ends" and "infrastructure lock-in", two concepts in which technology investment is not done at the right time or is done in the wrong way so that the potential of emissions reduction is decreased.

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