• 4.1 Introduction to Energy & Air

  • 4.1.1 Introduction to Energy & Air
  • 4.1.2 Introduction to Energy & Air

• 4.2 Air Quality in Beijing

  • 4.2.1 Air Quality in Beijing
  • 4.2.2 Air Quality in Beijing

• 4.3 Citizens and Air Quality in Beijing

  • 4.3.1 Citizens and Air Quality in Beijing
  • 4.3.2 Citizens and Air Quality in Beijing

• 4.4 Netizens and Their Socio-political Impact

  • 4.4.1 Netizens and Their Socio-political Impact
  • 4.4.2 Netizens and Their Socio-political Impact

• 4.5 Wrap-up

  • 4.5.1 Wrap-up