Delhi, Mumbai, Hyderabad and Bengaluru airports have achieved Level 4+ and higher Airports International Council (ACI) Accreditation and have become Carbon neutral.

Ministry of Civil Aviation (MoCA) has taken initiatives for working towards Carbon neutrality and achieving net zero carbon emission at airports in the country by way of standardising Carbon Accounting and Reporting framework of Indian Airports.

For this purpose, airport operators with scheduled operations have been advised to map the carbon emission at their respective airports and to work towards carbon neutrality & net zero emission in a phased manner. MoCA has also advised developers of the upcoming Greenfield Airports and the respective State Governments to work towards achieving Carbon Neutrality & Net Zero which inter-alia includes use of green energy.

With the above efforts of Government of India, Airports like Delhi, Mumbai, Hyderabad and Bengaluru have achieved Level 4+ and higher Airports International Council (ACI) Accreditation and have become Carbon neutral. 

Presently, 66 airports across the country are operating on 100% Green Energy. 
Airports across the globe are continuously focusing on use of renewable/green energy. As per the Accreditation programme of the Airports Council International (ACI), airports like Heathrow, Bristol & London Gatwick in United Kingdom (UK), Amsterdam in Netherland, Athens in Greece, Oslo in Norway, Brussels in Belgium, Budapest in Hungary, Copenhagen in Denmark, San Diego in United States, Vancouver in Canada, Sharjah in United Arab Emirates etc. have achieved Carbon Neutrality by using a series of measures which also include use of green/renewable energy.