The Global Fool

our planet is our village

Farmed Salmon Develop Ear Deformities All Around the World
May31

Farmed Salmon Develop Ear Deformities All Around the World

By Roberta Attanasio Salmon farming is the fastest growing food production system in the world—accounting for 70 percent (2.4 million metric tons) of the market. Increasing demand is leading to the gradual development of responsible practices to minimize its negative impacts on the environment. Indeed, salmon farming is known to pollute the oceans, use toxic pesticides to control the spread of sea lice, foster diseases caused by...

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Small Predator Diversity Plays a Significant Role in the Spread of Infectious Diseases
Mar23

Small Predator Diversity Plays a Significant Role in the Spread of Infectious Diseases

By Roberta Attanasio Biodiversity is a term coined to describe the diversity of all living things, from human beings to microorganisms. A New York Times editorial published almost two decades ago aptly describes the importance of the biodiversity concept: “Biodiversity is a hugely important concept that stresses the coherence and interdependence of all forms of life on earth and a new willingness to appraise the meaning of that...

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Tasmanian Devils: Contagious Cancer Drives the Risk of Extinction
Dec05

Tasmanian Devils: Contagious Cancer Drives the Risk of Extinction

By Roberta Attanasio In November 2013, a team of biologists scattered 15 plastic cylinders in the fields of Maria Island, three miles off the east coast of the Australian island state of Tasmania. Each cylinder contained a healthy Tasmanian devil, a marsupial  species that until then lived only in Tasmania. Soon, the 15 devils emerged from the containers, becoming the first ever to inhabit Maria Island. The biologists were planning to...

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Ivory Poaching Drives the Global Decline of African Elephants
Aug22

Ivory Poaching Drives the Global Decline of African Elephants

By Roberta Attanasio Poaching — the illegal killing of wild animals — is responsible for the death of tens of thousands of African elephants a year.  Poachers kill elephants to hack off the tusks, which are then sold to make valuable ivory trinkets, mostly for Asian markets.  In 2012, Jeffrey Gettleman wrote in the New York Times that Africa is in the midst of an epic elephant slaughter. How many African elephants, then,...

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Minute 319: The Delta of the Colorado River Gets a New Life
Mar19

Minute 319: The Delta of the Colorado River Gets a New Life

By Roberta Attanasio For six million years, the Colorado River ran from the Rocky Mountains to the Gulf of California—through 1,450 miles of mountains, deserts, canyons, and the lush delta in Mexico. Now, it no longer reaches the sea. The once vast and fertile delta of the river is dry—a parched wasteland. In 1931, the United States Bureau of Reclamation built the first of a series of large dams along the lower Colorado...

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