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keyword

main sources of carbon dioxide

Monthly search volume and cost-per-click data for "main sources of carbon dioxide" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=main+sources+of+carbon+dioxide&country=us" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
where does carbon dioxide come from 1,900 $0 20/20
where does the carbon dioxide come from 1,900 $0 20/20
co2 emissions by source 1,300 $7.92 15/20
sources of carbon dioxide 590 $0 14/20
human sources of carbon dioxide 70 $0 14/20
source of carbon dioxide emissions 70 $0 14/20
what are sources of carbon dioxide 70 $0 14/20
main sources of carbon 50 $0 15/20
what is the major source of carbon dioxide 40 $0 15/20
where co2 comes from 30 $0 14/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=main+sources+of+carbon+dioxide&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt