Sentences with phrase «future of the polar bear»

It draws attention to the effects that global warming is having in diminishing glaciers, leaving the future of polar bears decidedly uncertain.

Just keep reminding yourself that all the hype has very little to do with the conservation status of polar bears and virtually everything to do with the survival of the IUCN PBSG as an organization and the economic future of polar bear biologists and their ever - growing crop of students.»

So it seems much is at stake over the role of climate change in the future of the polar bear.

Not exact matches

The case of this one polar bear and the failure of her offspring to survive in the new environmental conditions of the Arctic doesn't bode well for the future of the species, especially as Arctic sea ice continues to retreat at a record pace.

They then used the satellite record of Arctic sea ice extent to calculate the rates of sea ice loss and then projected those rates into the future, to estimate how much more the sea ice cover may shrink in approximately three polar bear generations, or 35 years.

That is not to say that there may not in the future be drowning - related deaths of polar bears if the trend continues.

Many human communities want answers about the current status and future of Arctic marine mammals, including scientists who dedicate their lives to study them and indigenous people whose traditional ways of subsistence are intertwined with the fate of species such as ice seals, narwhals, walruses and polar bears.

The team hopes future research will clarify the impacts of grizzly bear aggression on the polar bear population.

From the standpoint of doing something about global warming, the uncertainties are irrelevant unless we don't care what kind of world we leave for future generations - of humans and polar bears.

I do not want to draw any conclusions as to the threat to the polar bear populations posed by the ongoing environmental changes / future warming of the Arctic.

In response, Armstrong et al. (Interfaces, 38 (5): 382 - 405, 2008) questioned the General Circulation Models (GCMs) upon which U.S.G.S. analyses relied; challenged the independence of U.S.G.S. from the policy process; and criticized the methods used by the U.S.G.S. to project the future status of polar bears.

I don't think there is much in this that changes my view of what polar bears have done and what the future holds for the species.

There's been a lot of discussion of the fate of the polar bear in a warming climate so I thought it worth adding a few more insights from scientists studying this remarkable animal's past and assessing its future.

This, in my judgment, makes the polar bear a threatened species — one likely to become in danger of extinction in the foreseeable future.

Because polar bears are vulnerable to this loss of habitat, they are, in my judgment, likely to become endangered in the foreseeable future — in this case 45 years....

For the past two decades, scientists have been monitoring the effects of a warming Arctic on the world's polar bears — and the bears» future has looked increasingly bleak.

Join us on a journey to learn why the story of climate change isn't just about melting glaciers or disappearing polar bears, and not just about a more dangerous world for far - off future generations.

The low - ice future that biologists said would doom polar bears to extinction by 2050 has already happened in 8 out of the last 10 years.

Many, many people associated climate change with the notion that polar bears might become extinct as their Arctic habitat disappeared in the face of future climate changes.

USGS polar bear biologist Karyn Rode and colleagues (press release here) have tried to frame this issue as one about future survival of polar bears in the face of declining sea ice.

... observations suggested the bears drowned in rough seas and high winds and «suggest that drowning - related deaths of polar bears may increase in the future if the observed trend of regression of pack ice and / or longer open water periods continues.»

A new paper by polar bear biologists (Rode et al. 2015) argues that terrestrial (land - based) foods are not important to polar bears now and will not be in the future — a conclusion I totally agree with — but they miss the point entirely regarding the importance of this issue.

In September, Taylor further debunked the latest report hyping fears of future polar bear extinctions.

It is unknown whether the ecosystem will return to the pattern of decadal - scale change exhibited in previous decades, or how polar bears and seals will respond to ecological changes in the future, but research on these topics is a high priority.

We further suggest that drowning - related deaths of polar bears may increase in the future if the observed trend of regression of pack ice and / or longer open water periods continues.

There was no discussion in the paper of ringed seal birth lairs, or sea ice conditions at the time of the study, but several mentions about what might happen in the future to sea ice and potential consequences for polar bears.

Due to hypotheses regards future effects of increasing CO2 on sea ice and polar bear health, CBD argued polar bears were endangered.

They warned «sea ice has been projected to disappear in the 2030s or before» and lost sea ice was both a future and «current threat to this important habitat of the polar bear.»

They believe failure would seriously jeopardise future plans to protect the polar regions, which are now bearing the brunt of global warming.

«There's no point bleating about the future of pandas, polar bears and tigers when we're not addressing the one single factor that's putting more pressure on the ecosystem than any other — namely the ever - increasing size of the world's population.

Accordingly, a background — and yes, common — concern for the plight of rare species of birds, snails, polar bears, landed country estates, whales, trees, the panda and starving and diseased babies are amplified by climate change alarmism, to preclude a democratic discussion about our «common» future.

The first is that the doomsday scenario for polar bears comes, not from real - world observation but from computer - modeled predictions of what might happen in the future if the ice caps melt, etc..

This loss of habitat puts polar bears at risk of becoming endangered in the foreseeable future, the standard established by the ESA for designating a threatened species.»

The fact that «There are thousands of healthy polar bears prowling the Arctic at this moment» does not diminish the threat to the polar bear population due to global warming now, or in the future.

That's a far cheerier image of the future for Earth Day than those poor trapped polar bears.

What is striking though, is that amidst all the criticism nobody has challenged our core finding: blogs on which man - made climate change and its impacts are downplayed are far removed from the scientific literature, at least regarding the topic of shrinking Arctic sea ice and the resulting future threat to polar bears.

That paper, which was not peer - reviewed, argued that because polar bear numbers have remained relatively stable despite faster - than - expected sea ice loss over the past decade, scientists» predictions of future population declines are flawed.

$ 1,500,000,000,000 may not sound like a lot of money when the world's polar bears, not to mention «the children of the future» are at stake.

«Global warming is not just a future threat for the polar bear or for the rest of us.

«It doesn't do polar bears, or any of the rest of us, any good to treat climate change as a problem to be solved by future generations — not when the devastating effects are already being felt right now.»

Secretary Salazar has so far defended the Bush - era «threatened» designation, claiming that threats to the species are only of concern in the future — notwithstanding the fact that polar bears are already drowning and starving as a result of sea - ice loss, with many populations declining.

If sea ice cover was 50 % less 5,000 years ago and polar bears were very much alive and well, it is hard to see how claims of their extinction are credible from future ice loss.

With recent announcements of plans for sequencing the genome from present - day polar bear (34) offering a necessary reference, future sequencing of all or a substantial fraction of the nuclear genome of this exceptionally well preserved Pleistocene polar bear specimen may be feasible.