Shark Mystery: Where Have South Africa’s Great Whites Gone?

The world’s most famous sharks are the great whites off Cape Town, featured in the popular “Air Jaws” series. But now these sharks have mostly gone missing, and some experts blame a fishery for depleting the smaller sharks that the great whites feed on.

Sargassum: The seaweed deluge hitting Caribbean shores

When waves of sargassum – a type of seaweed – washed up on Eastern Caribbean shores seven years ago, people hoped it was a one-off. Matted piles swamped coastlines from Tobago to Anguilla. Years later, the seaweed keeps on washing ashore, in larger quantities, and everything suggests 2018 could be the worst year yet.

Acid coastal seas off US putting common fish species at risk

Scientists have shown that coastal waters and river estuaries can exhibit unique vulnerabilities to acidification than offshore waters. This acidification can lead to disorientation and cognitive problems in some marine fish species, such as salmon, sharks, and cod.

Sea turns red with blood after whale hunt in Faroe Islands

Denmark is involved in a shameful practice. While it may seem incredible, even today a whale slaughtering custom continues, in the Faroe Islands. The sea is stained in red from the slaughtering of hundreds of the famous and intelligent Calderon dolphins, which are a type of Pilot whales. An intelligent dolphin that is placid and approaches humans out of friendliness.

Degrading plastics revealed as source of greenhouse gases

Researchers have found that several greenhouse gases are emitted as common plastics degrade in the environment. Their study reports the unexpected discovery of the universal production of greenhouse gases methane and ethylene by the most common plastics when exposed to sunlight.

Why sea level rise varies from place to place

In the 20th century, ocean levels rose by a global average of about 14 centimeters, mainly due to melting ice and warming waters. Some coastal areas saw more sea level rise than others. Here’s why.