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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Santa Monica Pier: the water quality results are not satisfactory | Photo: Shutterstock

Only 12 of 456 Californian beaches failed the water quality test by Heal the Bay.

The 26th annual Beach Report Card has once again assigned A-to-F letter grades to 456 Californian beaches for three reporting periods in 2015-2016, based on levels of weekly bacterial pollution.

This year's "Top 10 Beach Bummers" includes spots where harmful bacteria may cause major skin rashes, ear infections, and stomach flu. Cowell Beach, in Santa Cruz, is the worst beach for the third consecutive year.

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