The Great Barrier Reef is the world's largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometres over an area of approximately 344,400 square kilometres. The reef is located in the Coral Sea, off the coast of Queensla... Explore this topic

Coral reefs are underwater structures made from calcium carbonate secreted by corals. Coral reefs are colonies of tiny animals found in marine waters that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in group... Explore this topic

Climate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years. It may be a change in average weather conditions, or in the distribution of weather around the average conditions. Cli... Explore this topic

Corals are marine invertebrates in class Anthozoa of phylum Cnidaria typically living in compact colonies of many identical individual "polyps". The group includes the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton. A... Explore this topic

Acanthaster planci, commonly known as the crown-of-thorns starfish, is a large, multiple-armed starfish that usually preys upon hard, or stony, coral polyps. The crown-of-thorns receives its name from venomous thorn-like spines that cover its upper surface. It is the second-la... Explore this topic

Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It is the world's sixth-largest country by total area. Neighbouring countries include Indonesia, East Tim... Explore this topic

Marine conservation, also known as marine resources conservation, is the protection and preservation of ecosystems in oceans and seas. Marine conservation focuses on limiting human-caused damage to marine ecosystems, and on restoring damaged marine ecosystems. Marine conservat... Explore this topic

Environmentalism is a broad philosophy, ideology and social movement regarding concerns for environmental conservation and improvement of the health of the environment, particularly as the measure for this health seeks to incorporate the concerns of non-human elements. Environ... Explore this topic

Newsy is a multisource video news service that analyzes world news and produces 2-to 3-minute, streaming video clips. Clips are available on both web, and mobile platforms. The purpose of Newsy.com is to compare how multiple news outlets from around the world cover the day's e... Explore this topic