How GreenGlobe25 Uses Sources

GreenGlobe25 uses publicly available government publications, institutional guidance, scientific literature, and environmental datasets to research and explain air quality, air pollution, monitoring systems, and related environmental topics in the Indian context.

We do not treat all sources as interchangeable. The type of source used depends on the subject being explained.

Government and regulatory publications are prioritized when discussing Indian air-quality frameworks, monitoring systems, official methodologies, and environmental policy. International health guidance is used where relevant to explain health-related evidence and air-quality guidelines. Peer-reviewed scientific literature is used when additional scientific context or research evidence is required.

When a specific source is used to support an important factual claim, the relevant source should be identified within the article so readers can review the underlying information.

1. Central Pollution Control Board (CPCB)

The Central Pollution Control Board is one of the primary institutional sources used by GreenGlobe25 for information relating to India’s air-quality monitoring and AQI framework.

CPCB provides official resources covering areas such as:

• National Air Quality Index (AQI)
• AQI calculation methodology
• Air-quality monitoring networks
• Real-time air-quality data
• Continuous ambient air-quality monitoring
• AQI bulletins and reports
• CAAQMS stations
• Air-quality standards and monitoring information

Why We Use CPCB

CPCB is particularly relevant when GreenGlobe25 explains how air quality is monitored, measured, reported, or interpreted within India’s official air-quality framework.

Official Source:
[Visit CPCB National Air Quality Index →]

2. Ministry of Environment, Forest and Climate Change (MoEFCC)

The Ministry of Environment, Forest and Climate Change (MoEFCC), Government of India, provides the national policy and regulatory context for environmental protection and air-pollution management.

GreenGlobe25 may refer to MoEFCC materials when discussing:

• Environmental policy
• National air-pollution programmes
• National Clean Air Programme (NCAP)
• Environmental regulations
• Government reports and notifications
• National environmental frameworks

Why We Use MoEFCC

MoEFCC materials provide official government context for environmental policy, programmes, regulations, and national initiatives related to air pollution and environmental management.

Official Source:
[Visit MoEFCC →]

3. World Health Organization (WHO)

The World Health Organization provides international evidence and health-related guidance concerning air pollution and exposure to key pollutants.

GreenGlobe25 may use WHO resources when discussing:

• Health effects associated with air pollution
• PM₂.₅ and PM₁₀
• Ozone (O₃)
• Nitrogen dioxide (NO₂)
• Sulfur dioxide (SO₂)
• Carbon monoxide (CO)
• Air-quality guideline levels
• Evidence related to pollutant exposure

The WHO Global Air Quality Guidelines published in 2021 provide health-based guideline levels and interim targets for several key air pollutants. These guidelines are evidence-informed recommendations and are not legally binding standards.

Why We Use WHO

WHO guidance provides an international health and scientific reference point. It is used alongside, rather than as a replacement for, Indian regulatory and monitoring sources.

Official Sources:
[WHO Global Air Quality Guidelines →]

[WHO Air Quality Standards Database →]

4. Peer-Reviewed Scientific Literature

Some environmental questions require evidence beyond government publications and institutional guidance.

Where appropriate, GreenGlobe25 refers to peer-reviewed scientific literature covering areas such as:

• Atmospheric science
• Environmental chemistry
• Air-pollution exposure
• Environmental epidemiology
• Pollutant health effects
• Atmospheric processes
• Air-quality monitoring
• Pollution trends

How Scientific Literature Is Used

Scientific papers are used to provide additional evidence or scientific context when an article discusses a research question that cannot be adequately explained using government or institutional sources alone.

Individual articles should identify the relevant scientific studies when those studies are directly used to support a specific claim.

5. Public Environmental Data

GreenGlobe25 may use publicly available environmental datasets to explain air-quality measurements, monitoring results, trends, and patterns in environmental data.

When a dataset is used, the relevant article identifies, where applicable:

• The original data source
• The date or reporting period
• What the measurements represent
• Important limitations or factors that may affect interpretation

Data are presented for educational and explanatory purposes. GreenGlobe25 does not replace the official monitoring authority, regulatory standards, professional advice, or official public-health guidance.

Readers should consult the original data source for the complete dataset, methodology, updates, and official interpretation.

How Sources Are Used in Our Articles

A source list alone does not establish the evidence behind an article.

For that reason, GreenGlobe25 aims to connect important claims with the source material used to develop them.

For example, an article explaining India’s AQI methodology may reference CPCB documentation, while an article discussing health-related evidence for PM₂.₅ may reference WHO guidance and relevant scientific literature.

The source used depends on the claim being made.

Where appropriate, readers should be able to follow the cited source and independently review the underlying information.

Source Verification & Editorial Review

GreenGlobe25’s editorial process prioritizes:

1. Identifying an appropriate source for the topic
2. Checking whether the source is authoritative and relevant
3. Comparing information with the available evidence where appropriate
4. Presenting technical information in understandable language
5. Reviewing important factual claims before publication
6. Updating content when relevant information or source material changes

Our editorial approach is described in more detail on our Editorial Policy page.

Read Our Editorial Policy →

Important Distinction

GreenGlobe25 is an independent educational website.

We use and reference information published by government institutions, international organizations, and scientific researchers. Reference to an institution or publication does not mean that GreenGlobe25 is affiliated with, endorsed by, or officially approved by that organization unless explicitly stated.

CPCB, MoEFCC, WHO, and other organizations remain the original publishers of their respective materials and information.

Corrections & Source Questions

If you believe an article contains an inaccurate statement, outdated information, incorrect attribution, or a source that should be reviewed, please contact us.
Email: contact@greenglobe25.in
We welcome factual corrections and requests for source clarification.

Last Updated: August 2026
GreenGlobe25
Founder & Editorial Lead: Soumen Chakraborty