Climate Policy Ambition: Exploring A Policy Density Perspective

National policy ambition plays a central role in climate change governance under the Paris Agreement and is now focus of rapidly emerging literature. In this contribution, we argue that can be captured by level national activity, which accordance with existing literature should referred to as “policy density.” study, measure density drawing on three publicly available databases. All measurements show an upward trend adoption policy. However, our empirical comparison also reveals differences between regard degree expansion sectoral coverage, are due type policies For first time, compare patterns within each database (2000–2019) reveal while they different, nonetheless potentially complementary. Since choice resulting measurement ultimately depend questions posed researchers, conclude discussing whether some better answered than others.