Sentences with phrase «about global extinction»
'' In thinking about global extinction we've got to free ourselves from this human time scale,» said Dr. John Alroy, an ecologist at the National Center for Ecological Analysis and Synthesis of the University of California at Santa Barbara.»
https://dotearth.blogs.nytimes.com/ Not exact matches
This can be about animals or plants that are threatened within your local area as well as at the national or global level - many local extinctions will eventually add up to a global extinction!
«The effects of the Chicxulub impact were therefore not the cause of a global mass extinction, which probably came about considerably less catastrophically than previously assumed,» states the Heidelberg researcher.
Evidence left at the crime scene is abundant and global: Fossil remains show that sometime around 252 million years ago, about 90 percent of all species on Earth were suddenly wiped out — by far the largest of this planet's five known mass extinctions.
With aggressive action to reduce greenhouse gases, the model predicts that only about 51 percent of sites will suffer local extinction (39 to 79 percent, depending on the global climate model).
Now the question is, can the real climate scientists come forward and present the truth about global warming, or are we in for more ridiculous predictions about an ice free arctic by 2013 and the extinction of polar bears?
If we pin atmospheric carbon dioxide concentration to right about 300 to 320 ppm, we are looking at 20 - 30 thousand years of stable climate, with huge fresh water reserves, and we are only about half way into a global mass extinction.
With threats of radiation, global warming, polar shifts, and extinctions, it's easy to become apathetic about the state of our planet.
In episode 113, the first season finale, Penn & Teller explore the truth behind fears about global warming, air quality, water quality, acid rain, species extinction, and take a close look at Greenpeace's activities.
John Akomfrah's environmentally conscious video installation, Purple, offers dialogues about climate change by foregrounding issues such as global warming, animal extinctions and the plastic ocean.
I honestly think she's too young to be listening to me going on and on about such confusing stuff as oil, gas, coal, greenhouse effect, global warming, manmade climate change, population explosion (she knows about it), deforestation, desertification, rapid extinction of other species, pollution, problems, overconsumption, overindustrialization, problems, politics, economics, consumerism, and problems, religion, war, etc., etc., etc..
If we pin atmospheric carbon dioxide concentration to right about 300 to 320 ppm, we are looking at 20 - 30 thousand years of stable climate, with huge fresh water reserves, and we are only about half way into a global mass extinction.
It's possible that the New York Yankees winning the world series could trigger a mass extinction but that idea is just as ridiculous, and just as unobserved as making up claims about extinction and global warming without any evidence.
Tagged Christine Graham, climate change, concerns about extinction, Daily Mail, David Rose, decline, global warming, GWPF, ice - free Arctic, IPCC, melting ice cap, observations, polar bears, polar bears thriving, predictions, sea ice loss, summer sea ice minimum
However, since more Americans express little to no worry about global warming than say this about extinction, global warming is clearly the environmental issue of least concern to them.
Making groundless claims about 50 % extinction from global warming is shameless and frankly embarrasing, but scary enough that you are asking me about the uncertainty more than uncertainty in Hansen's ridiculous claim.
«Globally about 20 to 30 %... of species will be at increasingly high risk of extinction, possibly by 2100, as global mean temperatures exceed 2 to 3 °C above pre-industrial levels.»
The IPCC's Fourth Assessment says, «As global average temperature increase exceeds about 3.5 °C [relative to 1980 to 1999], model projections suggest significant extinctions (40 - 70 % of species assessed) around the globe.»
He warned that, if global average temperature exceeded «about 3.5 ºC, model projections suggest significant extinctions (40 % — 70 % of species assessed) around the globe» [italics added].
Under a Green Sky: Global Warming, the Mass Extinctions of the Past, and What They Can Tell Us About Our Future
There is, for instance, much less agreement about how global warming will turn into sea level rise, species extinction, and human effects.
Grave concerns about human health, and even human extinction, have been put forward in the global warming debate.
Let's also look at the specific IPCC quote that Mr. Romm furnishes us with: «As global average temperature increase exceeds about 3.5 °C [relative to 1980 to 1999], model projections suggest significant extinctions (40 - 70 % of species assessed) around the globe.»
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As global average temperature increase exceeds about 3.5 oC, model projections suggest significant extinctions (40 - 70 % of species assessed) around the globe.
Wayne, I read on a website (Gary Novak — Global Warming — not caused by carbon dioxide) that CO2 in air absorbs to extinction at its 15 micron peak in about 10m (Heinz Zug).
The Oasis nature channel is presenting a series of programs entitled Extinctions, about creatures threatened with extinction due to geological changes, including global warming.
When you here the phrase «endangered species» undoubtedly the cute, cuddly and carnivorous pop to mind, but according to new global analysis by The Royal Botanic Gardens, Kew, London's Natural History Museum and the IUCN shows that one in five of the world's plant species are threatened with extinction — in other words, about 76,000 of the world's estimated 380,000 species of plants have difficult times ahead.
AGW advocates are often the same people who in the past — based on scientific theories — were worried about the population explosion, about the world running out of oil, about global cooling, about the extinction of 100 species each and every day.