Followings are some links that we have taken reference on.
https://medasset.org/smoking-seriously-harms-the-beach/
https://pmc.ncbi.nlm.nih.gov/articles/PMC3088407/
https://www.lung.org/quit-smoking/smoking-facts/whats-in-a-cigarette
https://www.cancer.gov/about-cancer/causes-prevention/risk/tobacco/cessation-fact-sheet
https://www.surinenglish.com/spain/record-number-spanish-beaches-with-nosmoking-sign-20240726075500-nt.html
https://www.worldometers.info/water/
https://www.elsevier.es/es-revista-atencion-primaria-27-articulo-commentary-trends-in-tobacco-use-13069034