Nature

Lawsuit against Federal Government over Genetically Modified Salmon Approval

Lawsuit against Federal Government over Genetically Modified Salmon Approval

A lawsuit has been filed by the Ecology Action Centre (EAC) of Halifax and B.C-based Living Oceans Society against the Environment Minister, Health Minister and AquaBounty Canada Inc. The Halifax environmental group blamed the federal government for giving approval for growing genetically modified salmon.

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About 25% of World’s Sharks and Rays on Verge of Extinction

About 25% of World’s Sharks and Rays on Verge of Extinction

A 20 years study compiling data from more than 300 experts revealed that 25% of the world’s cartilaginous fish are on the brink of extinction. The condition could become worse in coming few decades and they might be critically endangered soon. Researchers from the International Union for the Conservation of Nature (IUCN) calculated the number of sharks and ray species left in the oceans and also find out the cause of their extinction.

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Annual Slaughtering Dolphins at Taiji’s Cove Ends

Annual Slaughtering Dolphins at Taiji’s Cove Ends

The annual killing of bottlenose dolphins by the group of Japanese fishermen at the Japan’s Taiji Cove has come to an end on Tuesday. One of the fishermen revealed that about 500 dolphins were trapped by them for captive selection process this year, which is more than the average.

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Extreme ‘El Niño’ Weather Events could double over Next 100 Years

Frequency of Extreme ‘El Niño’ could double over Next 100 Years

Researchers at CSIRO believe that extreme versions of ‘El Niño’ weather phenomenon could double in frequency in next 100 years if the climate change continues at current pace. The devastating weather events associated with ‘El Niño’ can cause torrential rains and floods to one part of the world and also can be the reason for drought and forest fires in another.

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Japanese Fishermen Capture 25 Dolphins in Taiji

Japanese Fishermen Capture 25 Dolphins in Taiji

Terming it as local tradition, Japanese fishermen in Taiji push hundreds of bottlenose dolphins in secluded cove every year. The fishermen capture around 250 dolphins which undergo selection process. Some of them will be sold to aquariums and marine parks. Some will be slaughtered for meat. The rest will be released.

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Chimpanzees can communicate using Gestures

Chimpanzees can communicate using Gestures

Georgia State University researchers have concluded that Chimpanzees can communicate using meaningful gestures. Two language-trained chimpanzees named Panzee and Sherman helped human researcher to find hidden food, about which he was not aware.

The experiment conducted by Dr. Charles Menzel and his team at Language Research Center of Georgia State University found that chimpanzees helped human researchers find hidden food by offering meaningful clues. Chimpanzees were interested in offering help for goal-completion task, which gives clue about communication between chimpanzees.

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Rhino Poaching Problem in South Africa

Rhino Poaching Problem in South Africa

South African Department of Environmental Affairs has released information about rampant rhino poaching in the country. The report tells that 1004 rhinos were killed by poachers last year. The ministry report has urged for better policing and control in the reserve areas.

Spending on policing and forest department should be increased. Also, the country needs to formulate strict regulation. Rhino horn is powdered and is used for its medicinal properties, which have not been proved. Killing of animal for the horn cannot be justified.

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Common Ancestors of Dogs and Wolves Were Extinct Thousands of Years Ago: Study

Common Ancestors of Dogs and Wolves Were Extinct Thousands of Years Ago: Study

DNA sequence of three gray wolves was generated by Robert Wayne, a professor in UCLA's Department of Ecology and Evolutionary Biology and his colleagues for the purpose of studying the evolution of dogs and wolves. The three wolves were from China, Croatia and Israel and it is considered that dogs have evolved from these three regions. Genomes from two dog breeds: basenji, a breed that originates in central Africa and ‘dingo’ from Australia were also produced by researchers.

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Level of Greenhouse Gases Rising Rapidly: UN Report

Level of Greenhouse Gases Rising Rapidly: UN Report

Recent United Nations report reveals that the level of greenhouse gases is increasing very quickly and to curb the emission of these gases greater efforts are required. Climate change could have catastrophic impact if the problem is not contained.

Greenhouse gases are gases that produce the ‘greenhouse’ effect in the Earth's atmosphere and therefore trap heat that would otherwise be released to outer space.
In 2000-2010, emission of C02 increased by 2.2% per year on average. The figure is nearly two times more than in 1970-2000.

Surge in Ocean Acidification by Global Climate Change is Altering Biodiversity

Surge in Ocean Acidification by Global Climate Change is Altering Biodiversity

In more than past 10 years, global warming has increased significantly, thereby increasing the ocean acidification. Increased ocean acidification has disturbed the whole marine life, especially impacting the one living in deep-sea. Researchers from Department of Ecology and Evolution at the University of Chicago reached at the above conclusion after conducting a study. They told that the ocean absorbs more carbon dioxide from the atmosphere which results in increased acidity in water.

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