Sentences with phrase «most of the polar bear»

The truth is that we clearly do not know enough about most of the polar bear populations to make the argument for listing.

Not exact matches

But Rogers, a senior fellow at lefty U.S. think - tank Demos and contributor to The New York Times Magazine and The Nation, spends most of her page count debunking the notion consumer - end market decisions are going to save the polar bears, or the planet.
When most people think about wildlife in a changing climate, they think of polar bears clinging to melting ice, but even species who have adapted to tropical weather are being impacted by the changes to their environment.
«When we think of climate change having an impact on a mammal species, what comes to mind most immediately is an Arctic animal like the polar bear, which depends on sea ice to survive,» Helgen said.
In perhaps the most ironic listing of all, a Chinese auction site listed a polar bear skin rug that sold for US $ 25,825.
Charlotte Lindqvist of the University at Buffalo, New York, and an international team of researchers have just completed the most comprehensive analysis yet of the polar bear genome.
It was much more user - friendly than most of the others and no, there were no polar bears.
Whether filming in HD or with a hidden camcorder, actor and animal - rights activist Hannes Jaenicke aims to reveal the global chain that leads to the extinction of the most amazing animals, such as polar bears and sharks.
On their journey, they encounter and kill one of the most baffling creatures to be on a tropical island - a polar bear.
The name Nanook is most often used to refer to sled dog breeds or breeds of dog that are pure white and resemble polar bears in some way.
13 days, from $ 6,495 USD • Explore the Ilulissat Icefjord, a UNESCO World Heritage Site • Visit Sam Ford Fjord, one of the most isolated places on the planet • View arctic wildlife, such as walrus and possibly polar bears
As with most RPGs in this category, the story is a variation of good vs. evil; you play good, gathering your party (some have even managed to create a party just made up of polar bears) and going on your quest to defeat evil and return good and light to the world.
I don't think the public views polar bears the same way as most other endangered species and this is one of the reasons that we laid out some of the options.
Here are some possible choices — in order of increasing sophistication: * All (or most) scientists agree (the principal Gore argument) * The 20th century is the warmest in 1000 years (the «hockeystick» argument) * Glaciers are melting, sea ice is shrinking, polar bears are in danger, etc * Correlation — both CO2 and temperature are increasing * Sea levels are rising * Models using both natural and human forcing accurately reproduce the detailed behavior of 20th century global temperature * Modeled and observed PATTERNS of temperature trends («fingerprints») of the past 30 years agree
That is, most of the period of polar bear existence has been during continental glaciations rather than inter-glacials.
As I said before, much of what is known about polar bear behavior has been through some human observation, but for the most part, their activities have been based on assumptions.
As one who has devoted his life to polar bears, however, what makes it most painful for me to watch is that I know this kind of event is happening at increasing rates out there.
The most famous case, of course, is the polar bear and near shore ice.
They suspect that polar bears rid themselves of many diseases and parasites as they migrated north and adopted a fat - based diet that is inhospitable to most parasitesâ $ ™ intermediate hosts.
That's why native Inupiat people are working with World Wildlife Fund and the U.S. Fish & Wildlife Service to try out a new generation of polar bear - resistant food storage containers intended to deter even the most ravenous of polar bears and their cubs.
Climate warming is reducing the availability of their ice habitat, especially in the spring when polar bears gain most of their annual fat reserves by consuming seal pups before coming ashore for the summer.
And they most certainly did not forecast, and would have been aghast had they done so, the CAGW scam, the Y2K - make - a-buck scare, the new - ice - age - scare, Al Gore's weight problem, the unbelievably vast sums to be made off of eco-appeals featuring heart - wrenching pictures of adorably cute and cuddly - looking baby harp - seals about to be clubbed to death for their fur, Ditto for photo - shopped pictures of forlorn looking polar bears adrift on ice - floes, universities stuffed with tenured climate science parasites, the improbable appearance of the NGO, watermelon life - form, and the like.
While the polar bear is an Ice Age species, genetic and fossil evidence suggests it barely survived the profound sea ice changes associated with the Last Glacial Maximum, one of the most severe glacial periods of the Pleistocene.
In fact, Arctic ice growth in the second half of September was rapid and there is now more ice than there was at this date in 2007 and 2012 (when polar bears in those regions considered most at risk did not die off in droves).
«By working with Coca - Cola, we can raise the profile of polar bears and what they're facing, and most importantly, engage people to work with us, to help protect their home.»
Comments Off on Most polar bears easily deterred this time of year, lucky Labrador boaters discover
In contrast during the most recent decade with more open water, the number of ringed seal pups in the western Hudson Bay tripled relative to the 1990s.4 With more seal pups the polar bears» body condition also improved.
Thankfully, climate impacts to people — not polar bears — are now the focus of most efforts.
One of the most glaring differences between legitimate science - based blogs and those that deny the science on anthropogenic climate change is how they write about polar bears and Arctic sea ice.
Franz Josef Land provides the most stable sea ice habitat for Barents Sea polar bears because it is largely beyond the influence of warm water influxes from the North Atlantic.
Climate change is a reality however, and most of the world has seen lots of evidence of this in the form of images of polar bears and melting glaciers.
The schematic below from Mangerud and Svendsen shows the warm water incursions from the Atlantic flowing past the west coast of Svalbard at about 11 thousand years ago, when the Laurentide Ice Sheet still covered the eastern half of Canada and the northern US, excluding fish, seals and polar bears from most of Canadian Arctic and Hudson Bay.
Climate warming is reducing availability of their ice habitat, especially in spring when polar bears gain most of their annual fat reserves by consuming seal pups before coming ashore in summer.
The penguin is what you might call their «polar bear of the south» — that is, the cute, lovable, telegenic species most frequently cited in their propaganda stories about polar critters threatened by «climate change.»
Polar bears are one of the most sensitive Arctic marine mammals to climate warming because they spend most of their lives on sea ice.35 Declining sea ice in northern Alaska is associated with smaller bears, probably because of less successful hunting of seals, which are themselves ice - dependent and so are projected to decline with diminishing ice and snow cover.36, 37,38,39 Although bears can give birth to cubs on sea ice, increasing numbers of female bears now come ashore in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.45
For example despite his research showing cycles of heavy spring ice had been most detrimental to seals and bears, Stirling and Derocher's review of polar bear «science» used the very same research to falsely imply that less summer ice was the problem.
This is Fig. 8 from Lunn et al. (2013), the most recent report on the estimated size of the Western Hudson Bay polar bear population.
Most female polar bears in the Beaufort Sea breed for the first time at 5 years of age, compared to 4 years of age in most other populations, and cubs normally remain with their mothers for 2.5 years prior to weanMost female polar bears in the Beaufort Sea breed for the first time at 5 years of age, compared to 4 years of age in most other populations, and cubs normally remain with their mothers for 2.5 years prior to weanmost other populations, and cubs normally remain with their mothers for 2.5 years prior to weaning.
Presenting a thin veneer of objectivity, he quotes polar bear researcher Ian Stirling who suggested that Nicklen's photo shows a bear that most likely, but not certainly, died as a result of starvation related to sea ice melt.
Perhaps because the image we associate most often with a changing climate is not the devastation left by a flood in our own state but rather a polar bear perched on a chunk of melting ice or an African farmer bearing silent witness to the impacts of a disaster that's taken place on the other side of the world.
Most of the evidence is that species thrive in warmer weather, and polar bears have survived several inter-glaciation periods where the north pole melted entirely in the summer.
Most experts, and the International Union of Conservation of Nature and the U.S. Fish and Wildlife Service, believe that polar bears are threatened because the Arctic sea ice from which the bears hunt is disappearing due to global warming.
Alaska Governor Sarah Palin drew on the work of at least six climate skeptics, most funded by ExxonMobil, to try to stop polar bears being protected as an endangered species, the Guardian can disclose.
«Most of the world's polar bears are likely to disappear in the next 30 to 50 years if the Arctic continues to heat up as climatologists predict, two University of Alberta scientists say.»
«Most of the world's polar bears are likely -LSB-...]
It has, they haven't because the polar bear biology was wrong is an example of the type of attack I think most effective.
As late April is the peak of this critical spring feeding period for most polar bear populations, this is when sea ice conditions are also critical.
But there is only sporadic, uncoordinated monitoring of the 43 different penguin colonies that make up most of the global penguin population.Just like polar bears, penguins are a high profile species at the mercy of warming poles.
Scientists are seeing evidence of this decline, especially in Canada's western Hudson Bay, one of the world's most studied polar bear regions.
But the takeaway for most will likely simply be reminded that yes, glaciers in the Arctic are melting, and yes, the polar bear is still a symbol for global warming, whether we're sick of it or not.
a b c d e f g h i j k l m n o p q r s t u v w x y z