Coastlines around the world

What are coastlines?

Shaping coasts

Changing sea levels

Climate and wildlife

Using coasts

Threatened coasts

Hawaii: rugged coastline

Cancun, Mexico: a beach resort

Great Barrier Reef: coral reef coast

Milford Haven: industry and pollution

Venice: threatened by the sea

Ganges Delta: world's biggest delta

Ross Ice Shelf: ice-choked coast.