Local marine biologists say the annual event, off the coast of Queensland in northeastern Australia, could be among the biggest in recent years.
Conservationists say a new funding to restore and protect the Great Barrier Reef is "an important step" while the biggest threat to the reef is global warming.
Kenyan divers are planting coral by anchoring them to the ocean floor they are hoping to replace coral reefs that have been destroyed. In addition to improving coral reefs, locals have also benefitted from increase in tourism and fish.
Researchers warned that the reef was already experiencing an unprecedented second straight year of bleaching.
Seven percent of Australia's Great Barrier Reef untouched by mass bleaching
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