On the Brink of Extinction: Call to Close Cruel and Inhumane Tiger Farms

28
Jan/10
0

Officials from 13 nations are meeting to discuss conservation efforts to save the endangered tiger.   Officials from countries where tigers still roam – Bangladesh, Bhutan, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Russia, Thailand and Vietnam -  are taking part in the Asia Ministerial Conference (AMC) on Tiger Conservation. The conference runs from January 27 to January 30, 2010,  in Thailand.

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On the Brink of Extinction: Call to Close Cruel and Inhumane Tiger Farms

On the Brink of Extinction: Call to Close Cruel and Inhumane Tiger Farms

28
Jan/10
0

Officials from 13 nations are meeting to discuss conservation efforts to save the endangered tiger.   Officials from countries where tigers still roam – Bangladesh, Bhutan, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Russia, Thailand and Vietnam -  are taking part in the Asia Ministerial Conference (AMC) on Tiger Conservation. The conference runs from January 27 to January 30, 2010,  in Thailand.

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On the Brink of Extinction: Call to Close Cruel and Inhumane Tiger Farms

6 Bird Species Go to Amazing and Very Different Lengths to Find a Mate.

12
Jan/10
0

Six Bird Behaviours

This post presents amazing video clips of the courtship behaviour of six birds. Such amazing behaviour that is linked to appearance and build is worth thinking about just over 200 hundred years after the birth of Darwin. The post simply explains the behaviour in a single paragraph, gives a link for further study and leaves the reader to watch the short video.

Sage-Grouse

The sage-grouse from temperate North America, is one of the many species of birds that practice lekking, a behaviour in which the male birds gather and put on displays that aim to attract female birds. The female bird selects a male based on her judgement of the display. The most attractive males mate with many females strengthening the advantage of an attractive display.

This post contains additional media. Click here to view the full post.

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6 Bird Species Go to Amazing and Very Different Lengths to Find a Mate.

Swine Flu: First Confirmed Case of Dog in U.S. with H1N1

23
Dec/09
0

Officials have confirmed a 13-year-old male mixed-breed dog has tested positive for H1N1. This marks the first case of a dog in the United States contracting swine flu.

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Swine Flu: First Confirmed Case of Dog in U.S. with H1N1

Atlantic Ocean is Rising Faster than Previous 4,000 Years

12
Dec/09
0

An international team of scientists has determined that the Atlantic Ocean rose faster in the 20th century than at any time in the last 4,000 years, but not uniformly along the coast.

One of the researchers, assistant professor Benjamin Horton in the Department of Earth and Environmental Science at the University of Pennsylvania, says: “There is universal agreement that sea level will rise as a result of global warming but by how much, when and where it will have the most effect is unclear.” He and other researchers have now started to tackle this issue.

Interestingly, the rate of sea level rise in recent years varies according to how far north or south you are on the coast.

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Atlantic Ocean is Rising Faster than Previous 4,000 Years

Ancestors of Mammals May Have Survived Largest Mass-Extinction in History in Antarctica

4
Dec/09
0

The largest mass-extinction in the world is considered to have happened about 252 million years ago due to quick global warming or climate change. A new study shows how some ancestors of mammals are believed to have survived this mass-extinction.

Jörg Fröbisch and Kenneth Angielczyk from The Field Museum along with Christian Sidor from the University of Washington have recently identified the fossil remains of such a species in Antarctica.

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Ancestors of Mammals May Have Survived Largest Mass-Extinction in History in Antarctica

Impacts of Climate Change on Arctic Wildlife and Ecosystems

27
Nov/09
0

Polar bears on the sea ice of the Arctic Ocean, near the north pole.

Polar bears on the sea ice of the Arctic ocean, near the North Pole.

While changes in Earth ecosystems from predicted warming have been reported in nearly all biomes (biological communities), recent climate change seems to be impacting the Arctic region the most.

As Arctic temperatures rise, precipitation rates, and snow/ice cover volumes, begin to change as well. In some cases, this has lead to an increase in vegetation (shrub and grasses), which can have the beneficial effect of reducing atmospheric CO2, but which can also cause a disruption in the trace gas exchange (such as with methane, CH4) between earth and atmosphere. Also, many of these climate change impacts produce imbalances within ecosystems (the web of interactions between species, and between species and their environments) and these can and do jeopardize long-term species survival; some species (such as reindeer) gain advantage (at least in the short term) from these alterations, while others (like the ringed seal) are threatened by them.

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Impacts of Climate Change on Arctic Wildlife and Ecosystems

Fossil Fuel CO2 Emissions Trends — 1990, 2000, 2008

22
Nov/09
0

Overall, global CO2 emissions from fossil fuels increased 29% between 2000 and 2008 and 41% from 1990-2008, & the current concentration of CO2 in the atmosphere is now at its highest in at least 2 million years, according to a new study in the journal Nature Geoscience.

The new report published this week by an international team of researchers who are part of the “Global Carbon Project” shows emissions trends through 2008 (including changes in emissions causes and in the amount of emissions remaining in the atmosphere) and brings up some major questions for the future as well.

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Fossil Fuel CO2 Emissions Trends — 1990, 2000, 2008

Oceans’ Ability to Absorb Carbon & Protect Against Climate Change Weakening

20
Nov/09
0

Oceans regulate our climate. They play a key role in keeping the world’s “homeostasis” in tact. However, their ability to absorb carbon & keep the climate in balance is dwindling, a new report shows.

In a year-by-year study from 1765 to 2008, researchers found that the oceans are struggling to meet increasing emissions demands. They cannot take in as much carbon as they used to.

The study, published in the November 19 issue of the journal Nature, found that the percentage of fossil fuel emissions the ocean has been taking in since 2000 has decreased by as much as 10%.

This is the first study of its kind or breadth. One previous study had attempted to measure the oceans’ industrial carbon absorption for one year — 1994. This does so for a period of 200+ years.

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Oceans’ Ability to Absorb Carbon & Protect Against Climate Change Weakening

22 Fish You Mustn’t Eat

27
Oct/09
0

The devastation Man’s appetite for seafood is wreaking on the ocean environment has been thrown into sharp relief by a “red fish list” published by Greenpeace.

These are the fish which are most in peril from destructive, illegal or simple over fishing.  It lists 19 fish, two shellfish and one crustacean.

Cod we all know about and hopefully everybody avoids.  However the list also includes other common white fish, including hoki and pollock.

Then there are other common seafood: salmon, quahog, swordfish, red snapper, halibut and most types of tuna.

The list goes on and on and is truly astounding: you can read it all at the Greenpeace Red Fish List page.

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22 Fish You Mustn’t Eat

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