At one beach in Spain, increasing numbers of tourists have caused a 60 percent decline in shell abundance, potentially disrupting the aquatic ecosystem
Study: Tourism linked to beach erosion, ecological damage
Collecting Seashells May be Damaging Our Beaches
Maya Bay: How conservationists saved Thailand's most famous beach from ruin
Seaweed 'Blob' Approaching Florida: The Health Risks
Why You Shouldn't Take Seashells From the Beach
Collecting Seashells Harms The Environment, Wave Tribe
Why seashells are getting harder to find on the seashore
How Are Seashells Formed?
Shells Must Remain on Costa Rican Beaches
Can manufacturing green sand beaches save our planet?