Florida: the smelly, algae blooms invaded the Atlantic beaches | Photo: Greg Lovett/AP

Smelly, toxic algae have invaded the Atlantic coast of Florida, in the United States.

The smelly algae blooms are the result of nutrient discharges flowing out of Lake Okeechobee. The green slime hit St. Lucie River and Indian River Lagoon, and quickly arrived at the local beaches.

The green algae are highly toxic and affect humans, animals, and plants. If drank or touched, it will cause headaches, vomiting, nausea, coughing, hay fever, pneumonia and, in the long-term, liver disease.

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Sharks: the number of attacks on people is increasing in Reunion Island | Photo: Shutterstock

Sharks have always been a problem in Reunion Island. The French Territory located in the Indian Ocean is a shark-infested zone, but the predators' attacks have dramatically increased since 2011.

Reunion has world-class surf spots and breathtaking beaches. Its volcanic DNA means the island features the perfect underwater lava rock bottoms that are ideal for creating endless wave rides.

Until 2011, Reunion Island has been considered a surfer's paradise. But the frequency of shark attacks is on the rise, and local citizens are literally losing everything - their relatives, their surfing waves, and the tourists.

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Oil spill: one of the most visible signs of water pollution | Photo: Shutterstock

Water pollution is a consequence of human action. Polluted water is not only unsafe to drink but also unsafe to surf, swim and fish in. Discover the most common types of water pollution that affect our daily lives.

Polluted water is "dead water." It has no life in it, and it can kill everything in it - plants, microorganisms, animals, humans, and even bacteria. High concentrations of pollutants have tragic effects on all living things.

The impact of contaminated waters in humans is huge. Water pollution is responsible for a wide range of diseases, including hepatitis, cholera, skin rashes, stomach complications, respiratory problems, liver illness, neurological issues, reproductive disorders, and even cancer.

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