keyword

biggest polluting countries in the world

Monthly search volume and cost-per-click data for "biggest polluting countries in the world" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=biggest+polluting+countries+in+the+world&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0.01 | | country | US | | updated | 2026-06-29 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
countries by carbon emissions	2,400	$5	18/20
co2 footprint by country	1,900	$5.58	18/20
countries by co2 emissions	1,900	$5.48	18/20
countries that pollute the most	1,300	$8.51	20/20
top polluting countries	720	$6.12	18/20
which countries pollute most	390	$8.57	18/20
most polluting countries	210	$5.85	20/20
countries polluting the most	210	$5.85	17/20
which countries caused the most pollution	70	$0	16/20
the most polluting countries	30	$0	17/20

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://api.seodata.dev/v1/keyword?q=biggest+polluting+countries+in+the+world&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt