Climate Concerns

The "CLIMATE CONCERNS" group is dedicated to discussion regarding the topic of the ever present and serious issue of changes to our climate due to the introduction into the atmosphere of human induced effects which prove harmful to the environment and which eventually may prove destructive to our planet. 

Members: 43
Latest Activity: 5 hours ago

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Drought and Heat from East Africa into Asia

Started by Ruth Anthony-Gardner. Last reply by Joan Denoo 5 hours ago. 1 Reply

Heat emergencies, water emergencies, and food shortages are manifesting in countries from East Africa through India, into Asia. Indian Ocean heat is partly responsible.…Continue

Tags: food emergencies, drought, Heat Emergencies, 2016

Future Sea Level Rise: Top 10 Countries In Danger

Started by Joan Denoo. Last reply by Plinius Apr 27. 6 Replies

"Published on Jul 30, 2015These are the top 10 countries threatened by the 6-meter sea level rise we are almost guaranteed to see in the not-too-distant future, according to the projected pace of…Continue

Tags: warming, ice, melt, global, rise

Arctic Death Spiral

Started by Ruth Anthony-Gardner. Last reply by Ruth Anthony-Gardner Apr 23. 9 Replies

Considering that the volume of Arctic Summer sea ice in 2012 is 75% lower than in 1979, some scientists are calling the Arctic melt a death spiral. If you only look at surface area decline, as …Continue

Tags: Arctic ice melt, Arctic Sea Ice volume, Arctic Death Spiral

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Comment by Ruth Anthony-Gardner on March 4, 2016 at 11:18am

Or were you being sarcastic? I'm not good at sarcasm, Donald, so I'm not sure.

Comment by Ruth Anthony-Gardner on March 4, 2016 at 11:17am

Not as bad as we thought? Well, Donald, March 3rd the daily Northern Hemisphere temperature anomaly hit 2°C rise above preindustrial.

Our Hemisphere’s Temperature Just Reached a Terrifying Milestone

Just because a temperature rise is part of a trend, doesn't make that rise safe.

Comment by Donald L. Engel on March 3, 2016 at 11:02pm

Well then, everything is on schedule, Ruth.  The average global temperature has risen about 1.5 degrees every 100 years since the end of the Little Ice Age.  I guess things aren't as bad as we thought.

Comment by Ruth Anthony-Gardner on March 3, 2016 at 6:20pm

If you just look at monthly temperature departures, February was extraordinary. Preliminary data indicate it was between 1.56 °C and 1.66 °C above 1880's February values. When an El Nino fizzles out, February tends to be heated the most, so this suggests that the 2016 annual average might come in at 1.2 to 1.3 °C above preindustrial.

The Roof is On Fire — Looks like February of 2016 Was 1.5 to 1.7 C ...

The GFS model shows temperatures averaged 1.01 C above the already significantly hotter than normal 1981-2010 baseline. Subsequent observations from separate sources have confirmed this dramatic February temperature spike. We await NASA, NOAA, and JMA observations for a final confirmation.

Nick Stokes, a retired climate scientist and blogger … published an analysis of the recently released preliminary data fro...… According to this analysis, February temperatures may have been as much as 1.44 C hotter than the 1951 to 1980 NASA baseline. Converting to departures from 1880s values, if these preliminary estimates prove correct, would put the GISS figure at an extreme 1.66 C hotter than 1880s levels for February. If GISS runs 0.1 C cooler than NCAR conversions, as it has over the past few months, then the 1880 to February 2016 temperature rise would be about 1.56 C.

Putting these numbers into context, it looks like we may have already crossed the 1.5 C threshold above 1880s values in the monthly measure during February.

But we should be very clear that monthly departures are not annual departures and the yearly measure for 2016 is less likely to hit or exceed a 1.5 C departure. It’s fair to say, though, that 1.5 C annual departures are imminent and will likely appear within 5-20 years.

If we use the 1997-1998 El Nino year as a baseline,… assuming 2016 will continue to see Equatorial sea surface temperatures continue to cool, we may be looking at a 1.2 to 1.3 C above 1880s average for this year.

Notice how parts of the Arctic are in the above 12 degree C warmer anomaly range.

It's cut down the days ice would freeze above 80° latitude.

Comment by Joan Denoo on March 3, 2016 at 1:21pm

February Shatters Global Temperature Records, Satellite Data Show

"February ​shattered the global ​satellite temperature records to become the warmest ​above average month in recorded history. While not yet confirmed by official datasets, this new finding is particularly notable as it comes from one of the two satellite datasets frequently referenced by climate deniers.

Comment by Ruth Anthony-Gardner on March 2, 2016 at 3:08pm

February was 1.28°C above preindustrial. We're getting closer to a 1.5°C rise.

Satellites Report Hottest February By Far, Confirm Global Warming

February smashed monthly global temperature records, according to the satellite data analyzed by the University of Alabama at Huntsville (UAH).

Let’s start with the UAH data, which show a stunning 1.5°F (0.83°C) warming in February 2016 compared to the historical (1981-2010) average for the lower troposphere...

First off, remember that the 1981-2010 baseline used by the UAH is itself some 0.8°F (0.45°C) hotter than pre-industrial levels — so you can add that to all of the numbers here.

Second, February was more than half a degree Fahrenheit — 0.52°F (0.29°C) — warmer than January, which itself was “the warmest January in satellite record.” [emphasis mine]

Comment by Joan Denoo on January 25, 2016 at 3:17pm

Donald, I may be dense, however, I do not see what you see. 

How is Today’s Warming Different from the Past?

"Models predict that Earth will warm between 2 and 6 degrees Celsius in the next century. When global warming has happened at various times in the past two million years, it has taken the planet about 5,000 years to warm 5 degrees. The predicted rate of warming for the next century is at least 20 times faster. This rate of change is extremely unusual.

Comment by Grinning Cat on January 25, 2016 at 11:53am

Something to upvote on's FAIL Blog:

National fail: who needs SURVIVAL when we have car racing and jet-skis?

Comment by Donald L. Engel on January 16, 2016 at 12:25pm

Joan, I thought all along that you were insinuating that CO2 was causing global warming.  I didn't realize you were just saying that the CO2 level was rising.

I didn't know we were going to get into this discussion, or I would have paid more attention to the source, but in the last week or two it was announced that the earth's temperature had risen 1.4 degrees Farenheit over the last 100 years.  That is the same rate as it has been following for the last 250 years, since the end of the Little Ice Age.  Despite the raise in CO2 levels, the temperature is rsing at the same rate it has been doing all along.

Comment by Joan Denoo on January 16, 2016 at 4:55am

Donald, look at the red line, the CO2 line. Observe that it is below the temperature line ... until now. We aren't talking about temperature, we are talking about CO2. That is why I couldn't find this chart. You and I read it differently. 


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