Rhinoceros: rare and mellow

Jordy Smith, Kelly Slater and Martin Potter have visited the Chipembere Rhino Foundation to help raise awareness about the conservation of rhinos, in South Africa.

Pro surfers want to help rhinoceros. In the first semester of 2014, more than 500 rhinos have been killed in South Africa because of their horns, which are falsely believed to have healing and medicinal properties.

"I was astounded by the number of the rhinos that are killed each year. There are only about 25,000 rhinos left in the world, and last year alone over 1,000 were killed in South Africa," explains Kelly Slater.

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Baltimore Water Wheel: efficient and green

Baltimore resident John Kellett developed a big water wheel that collects floating trash from the city's Inner Harbor.

The creative idea is a complete success. Plastic cups, cigarette butts, wood log, bags, and all sorts of trash are being easily removed from Baltimore's Inner Harbor waters thanks to a simple metal wheel.

"I started out thinking, 'Maybe we could bale it like a hay baler.' And then I said, 'Well, that's not necessary; maybe we can make it even simpler - we can just use the power of the runoff that brings it to collect it,'" explains John Kellett, the inventor of the mechanism.

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Godrevy: great waves, polluted waters | Photo: Alice Rosen

Surfers Against Sewage have issued a serious warning regarding recent sewage discharges at Godrevy, one of the most popular surf spots in Cornwall, England.

The British non-governmental organization has been warning the surfing community for the alarming number of sewage spills in the country, but the latest threats can put in danger the health of beach users, especially in summertime.

South West Water, the company which provides water for Cornwall, confirmed that "unfortunately, during periods of intense rainfall, the system can sometimes become overloaded."

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