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keyword

what causes carbon dioxide in the atmosphere

Monthly search volume and cost-per-click data for "what causes carbon dioxide in the atmosphere" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+causes+carbon+dioxide+in+the+atmosphere&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
where does the carbon dioxide come from 1,900 $0 9/20
where does carbon dioxide come from 1,900 $0 8/20
what increases co2 in the atmosphere 30 $0 9/20
co2 in environment 30 $0 8/20
where does carbon dioxide in the atmosphere come from 20 $0 10/20
carbon dioxide in environment 20 $0 9/20
increased concentration of carbon dioxide in the air causes 10 $0 10/20
what produces co2 naturally 10 $0 10/20
natural sources of carbon dioxide in the atmosphere 10 $0 9/20
what is the main cause of carbon dioxide 10 $0 9/20

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=what+causes+carbon+dioxide+in+the+atmosphere&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