Cigarette Waste at Redondo Beach Threatens Horn Sharks' Spiral Eggs

[{"selector":"#anim-d325005d-f09c-46cb-b04b-892dce742f08","keyframes":{"opacity":[0,1]},"delay":500,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-be2230d3-5b1d-485f-828c-d101ef7fe1c8","keyframes":{"transform":["translate3d(-114.55696%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-26603a35-f96e-4954-8146-4b6e716f9153","keyframes":{"opacity":[0,1]},"delay":800,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-29fbc9d6-5d6f-44f5-a5f7-5c69f4a86e97","keyframes":{"transform":["translate3d(-122.3301%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":800,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Cigarette Waste at Redondo Beach Threatens Horn Sharks' Spiral Eggs Rahul Somvanshi

Polycyclic aromatic hydrocarbons and polychlorinated biphenyls from cigarette butts near Redondo Beach Esplanade affect marine ecosystems.

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Large numbers of visitors to Redondo Beach Esplanade generate waste, which rainfall carries into ocean despite regular street cleaning.

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Horn sharks create nests in rocky areas, laying spiral eggs that become vulnerable to surrounding marine debris.

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Marine Debris Tracker reveals 1,556 items counted at Redondo Beach, with plastic waste reaching 52% and paper materials at 39%.

[{"selector":"#anim-e10faaa5-8f91-4dac-9685-b6196ad802f2","keyframes":{"opacity":[0,1]},"delay":300,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9f6d9f4d-bce4-4520-89c9-c04e862fa05d","keyframes":{"transform":["translate3d(0px, 195.52108%, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-abb6ee56-c14b-4fe7-829a-66991b69d24a","keyframes":{"opacity":[0,1]},"delay":400,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f5e81b86-fe9e-4cf7-b0c8-5ade87e0e171","keyframes":{"transform":["translate3d(0px, -114.48664%, 0)","translate3d(0px, 0px, 0)"]},"delay":400,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4a99e4ca-9a04-4d5f-a86b-439e57b945d5","keyframes":{"opacity":[0,1]},"delay":1400,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Photo Source: Fquasie (CC-BY-SA 4.0)

Scientists mapped waste zones against shark habitats, finding some egg casing hotspots near areas with high waste concentrations.

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Habitat degradation combines with overexploitation in Mexican waters, affecting horn shark populations.

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Horn sharks hold "data deficient" status under International Union for Conservation of Nature, limiting species assessment.

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Dr. Evelyn Alvarez proposes expanding trash bins and creating dedicated cigarette disposal areas to protect marine breeding grounds.

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[{"selector":"#anim-eef697c7-38ae-4a0d-810d-2b91542974b8","keyframes":{"opacity":[0,1]},"delay":200,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e21a0c80-fa72-4869-8f3c-032aed2372c7","keyframes":{"opacity":[0,1]},"delay":200,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f5db5395-5e54-4c29-9bec-33b746800983","keyframes":{"transform":["translate3d(-114.50152%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":200,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c91942a9-d458-4fa5-9961-c81579d0a5f9","keyframes":{"opacity":[0,1]},"delay":700,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a921d2fe-f2e1-4989-8347-f4f7ba6ac021","keyframes":{"transform":["translate3d(115.23810%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":700,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Moderna Receives $590M for Bird Flu Vaccine Development Learn more