China is the second-largest economy in the world yet it faces serious energy security challenges due to the country's reliance
on coal, a fuel with multiple environmental and social problems. Moreover, since 2017 China has become the world's largest
crude oil importer, greatly increasing its reliance on imported energy.The International Energy Agency has defined energy
security as 'the uninterrupted availability of energy sources at an affordable price,' employing metrics in various dimensions
such as availability, affordability, accessibility and acceptability to measure the energy security of different nations.
Accordingly, the assessment, analysis and improvement of energy security is a complex problem. China's Energy Security aims
to resolve this problem by answering three important questions: