Killer cornered

Gloomy state

Unusual bleaching

THAILAND

Archived asset

Salty ravage

Reefs in peril

Greenpeace bungles, pays up

Coral reefs in decline

Coral cure

A biornaterial based on coral's structure to set broken bones

Atlantis

Corals' sorrow

Island of treasure

Corals in trouble

Global warming increases the acidity levels of oceans

UNITED NATIONS

Struck by acidity

From the realms of past

...researchers discover oldest hard-shelled marine animal

RED SEA

Troubled waters

Oil exploration may lead to extinction of deep-water coral in the Atlantic

Coral crisis

Uneasy lies the coral

Unprecedented depletion of corals threatens marine ecosystems in the tropics

Corals gassed

Reef ahoy!

Bacterial blot

Pathogens behind coral bleaching, say scientists

Coral carnage