Re: [asa] Faux News's Climate Quiz

From: Rich Blinne <>
Date: Fri Dec 11 2009 - 19:40:48 EST

Only beefs are 3 yes and 5 not yet. So far, what's melted in any significant
quantities is sea ice and that doesn't raise sea level. On a side note 6
was a campaign promise in the 2000 election by (pause) George W. Bush.

On Fri, Dec 11, 2009 at 4:21 PM, John Walley <> wrote:

> I am sure some of you would take exception to some of these. Or is this the
> consensus?
> John
> Here are the answers to's Climate Quiz. Click here to go back
> to the original quiz page.
> 1. Are global temperatures rising?
> Coin toss. The U.N.'s weather agency reports that the past decade was the
> warmest on record since reliable measurements began, and temperatures have
> been on the rise since about 1977. But those warm temperatures have remained
> flat and steep for a decade since a spike in 1998 that coincided with
> the weather pattern El Nino.
> 2. Are carbon dioxide levels on the rise?
> Yes. CO2 levels have increased every year for the past 50 and may now be at
> highs unseen for nearly 15 million years, according to scientists at UCLA.
> 3. Is climate change man-made?
> Coin toss. Temperatures have seen a global rise in the past 30 years,
> following a trend of increasing carbon dioxide emissions worldwide which
> trap heat and raise temperatures. But the Earth has also undergone periods
> of temperature stagnation and cooling since 1880, even as industrialization
> has led to growing emissions. Many climate scientists attribute warming to
> man-made pollution and deforestation, while others argue that temperatures
> are changing because of natural climatic and solar cycles.
> 4. Are sea levels rising?
> Yes. Sea levels have been rising at a rate of about 3.3 mm a year since
> 1993, when satellite altimeters began tracking the data. Tidal gauging
> records, which vary from region to region, indicate a steady rise in sea
> levels of about 1.7 mm a year since 1870, which fits in with an overall
> trend stretching back over 200 years.
> 5. Are global sea levels rising because of melting glaciers and ice sheets?
> Coin toss. Tides, wave erosion, and storm systems create temporary changes
> in sea levels; sea levels also shift seasonally and because of weather
> events like El Nino; and rising temperatures in the sea have caused waters
> to expand. But many scientists hold that melting glaciers and ice sheets are
> contributing up to a third of the rise in sea levels.
> 6. Is CO2 a pollutant?
> No. Carbon dioxide is a naturally occurring chemical that makes up about
> .04 percent of the Earth's atmosphere. The EPA has labeled CO2 a danger to
> human health, highlighting the risk of industrial emissions, but the gas
> also plays a vital role in the Earth's carbon cycle and is used by plants in
> photosynthesis.
> 7. Is the ice cap at the North Pole shrinking?
> Yes. The Arctic polar ice cap has been in overall decline since NASA
> satellites began recording data in the late 1970s. The overall rate of
> decline is about 4.5 percent of the overall mass in a decade. Though ice
> levels hit record lows in 2005, there has been a slight rebound in recent
> years that scientists believe is unlikely to hold.
> 8. Is the ice cap at the South Pole shrinking?
> Coin toss. Recent data compiled from NASA measurements suggest a loss of
> ice in the Antarctic, but those results come from a satellite that measures
> changes in gravity and doesn't track the amount of ice itself. Direct
> measurements show a notable increase over the past 30 years. The overall
> extent of Antarctic sea ice has "increased at a rate of 100,000 square
> kilometers a decade" since the 1970s, according to the British Antarctic
> Survey, though nine ice shelves have collapsed and GPS measurements indicate
> declining ice in the western Antarctic.
> 9. Is the hole in the ozone layer growing?
> No. The Earth's natural sunscreen, a layer of ultraviolet-reflecting ozone
> in the stratosphere, has been heavily depleted in the area above Antarctica.
> But the damage appears to be neutralized as the size of the "hole" itself
> has stabilized and the amount of ozone has stopped falling. Scientists hope
> that a 1989 ban on chemicals that were depleting the ozone layer will lead
> to a recovery by 2040.
> 10. Is global warming eating away the snows of Kilimanjaro?
> Coin toss. The glaciers at Tanzania's highest peak have been shrinking for
> a century, well before global temperatures increased. While some climate
> scientists say rising temperatures and deforestation are melting the famous
> glaciers of Mt. Kilimanjaro, others argue that solar radiation is
> sublimating the ice turning it directly to gas.
> 11. Does climate change affect animals?
> Yes.Rising temperatures have sent many animals seeking higher elevations
> and cooler climes. Birds are migrating at different times of the year, and
> periods of hibernation have shifted with the weather. Some scientists
> speculate that the Golden Toad of Africa even went extinct because of
> increased temperatures.
> 12. How many endangered animal species are there?
> 8,216. There are more than 8,000 endangered species worldwide and another
> 9,075 threatened species, according to the International Union for
> Conservation of Nature. Endangered species are in danger of going extinct;
> threatenedspecies are those likely to become endangered in the foreseeable
> future. There are 613 animal species listed as threatened or endangered in
> the U.S. alone.
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Received on Fri Dec 11 19:41:15 2009

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