Environmental Performance Index

Environmental Performance Index

The Environmental Performance Index (EPI) is a biennial raking of how well countries perform on high-priority environmental issues, including air quality, climate change and energy, forests and fisheries. The latest 2016 EPI is the 11th iteration of the leading global...
Galvanizing the Groundswell of Climate Actions

Galvanizing the Groundswell of Climate Actions

Galvanizing the Groundswell of Climate Actions (GGCA) is a series of open dialogues that aims to bring the groundswell of climate actions from cities, regions, companies, and other groups to a higher level of scale and ambition. Its objectives include: Increasing...
Non-State and Sub-National Climate Action

Non-State and Sub-National Climate Action

As of June 2016, more than 11,000 commitments to climate action have been pledged by companies, cities, investors, and citizens. The Non-State Actor Zone for Climate Action (NAZCA) is the most comprehensive platform tracking these actions. Data-Driven Yale has been...
Understanding China’s Energy and Environmental Policy

Understanding China’s Energy and Environmental Policy

Issues of security, the long-term sustainability of current resource consumption and growth, and the need for innovative technology and policy are all challenges China’s energy system faces. At the same time, as the world’s largest consumer of energy and emitter of...
‘Third-Wave’ Data and the Environment

‘Third-Wave’ Data and the Environment

Environmental data collection in China is fraught with gaps in data availability, temporal interruptions, and inconsistencies between sources. These data woes come at a time when China faces a pivotal juncture in environmental policy. Tremendous growth in the...
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