Delhi has consistently ranked as the most polluted city in India, with high levels of particulate matter, nitrogen dioxide, and sulfur dioxide.

Sewage discharge is the major contributor to water pollution in India, due to inadequate wastewater treatment infrastructure and open defecation.

Arunachal Pradesh has the largest forest cover in India, accounting for over 10% of the country's total forest area.

The National Green Tribunal was established in 2010 to handle cases related to environmental protection and conservation.

Delhi's Bhalswa landfill is the largest landfill site in India, covering an area of over 500 acres.

Modhera in Gujarat became India's first solar-powered village in 2019, with all its households and public buildings powered by solar energy.

Tamil Nadu has the highest renewable energy capacity in India, with a significant share of wind and solar power.

The National Electric Mobility Mission Plan 2020 was launched in 2013 to promote the adoption of electric vehicles in India.

Delhi has the highest number of electric vehicles in India, due to various government incentives and the city's air pollution problem.

GRIHA (Green Rating for Integrated Habitat Assessment) is India's first green building rating system, developed by The Energy and Resources Institute (TERI).

Karnataka has the highest number of green buildings in India, with a significant concentration in the city of Bengaluru.

The Smart Cities Mission was launched in 2015 to develop 100 smart cities across India, focusing on sustainable development and technology-driven solutions.

Indore was ranked as the most sustainable city in India in 2021 by the Swachh Survekshan Awards, based on its performance in areas such as solid waste management, sanitation, and air quality.

The National Air Quality Index was launched in 2014 to provide real-time air quality information across India.

Sikkim has the lowest carbon footprint among Indian states, due to its focus on renewable energy and sustainable practices.