We're Energy Workers and We Oppose the Keystone XL Pipeline

There are 6 comments on the Common Dreams story from Jan 17, 2013, titled We're Energy Workers and We Oppose the Keystone XL Pipeline. In it, Common Dreams reports that:

The obvious answer to the question is yes and the voice of energy workers is a particularly important one to hear while talking about labour's role in reducing green-house gas emissions.

Join the discussion below, or Read more at Common Dreams.

PHD

Overton, TX

#1 Jan 18, 2013
Well an interresting topic on Keystone. Could it be true?
SpaceBlues

Houston, TX

#2 Jan 18, 2013
The talentless troll above is cancelled due to fainting. The cause is self-inflicted.

Celebrations have begun.
PHD

Overton, TX

#3 Jan 19, 2013
SpacedoutBlues wrote:
I, the talentless commander troll is resting due to fainting. The cause is self-inflicted trollism.
My stupid have begun.
So pick your---self up and try again

Since: Jan 13

Fairfax, VA

#4 Jan 19, 2013
PHD wrote:
<quoted text>So pick your---self up and try again
****TROLL ALERT***
PHD

Overton, TX

#5 Jan 20, 2013
Wallop10 wrote:
<quoted text>
****I'M A TROLL BE ALERT***
Yes we know!!!

Since: Jan 13

Fairfax, VA

#6 Jan 20, 2013
And here is NASA.

Evidence: Climate change: How do we know?

The Earth's climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000 years ago marking the beginning of the modern climate era — and of human civilization. Most of these climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives.

The current warming trend is of particular significance because most of it is very likely human-induced and proceeding at a rate that is unprecedented in the past 1,300 years.1

Earth-orbiting satellites and other technological advances have enabled scientists to see the big picture, collecting many different types of information about our planet and its climate on a global scale. Studying these climate data collected over many years reveal the signals of a changing climate.
Certain facts about Earth's climate are not in dispute:

The heat-trapping nature of carbon dioxide and other gases was demonstrated in the mid-19th century.2Their ability to affect the transfer of infrared energy through the atmosphere is the scientific basis of many JPL-designed instruments, such as AIRS. Increased levels of greenhouse gases must cause the Earth to warm in response.

Ice cores drawn from Greenland, Antarctica, and tropical mountain glaciers show that the Earth’s climate responds to changes in solar output, in the Earth’s orbit, and in greenhouse gas levels. They also show that in the past, large changes in climate have happened very quickly, geologically-speaking: in tens of years, not in millions or even thousands.3
The evidence for rapid climate change is compelling:

• Sea level rise
Global sea level rose about 17 centimeters (6.7 inches) in the last century. The rate in the last decade, however, is nearly double that of the last century.4

• Global temperature rise
All three major global surface temperature reconstructions show that Earth has warmed since 1880.5 Most of this warming has occurred since the 1970s, with the 20 warmest years having occurred since 1981 and with all 10 of the warmest years occurring in the past 12 years.6 Even though the 2000s witnessed a solar output decline resulting in an unusually deep solar minimum in 2007-2009, surface temperatures continue to increase.7

• Warming oceans
The oceans have absorbed much of this increased heat, with the top 700 meters (about 2,300 feet) of ocean showing warming of 0.302 degrees Fahrenheit since 1969.8

• Shrinking ice sheets
The Greenland and Antarctic ice sheets have decreased in mass. Data from NASA's Gravity Recovery and Climate Experiment show Greenland lost 150 to 250 cubic kilometers (36 to 60 cubic miles) of ice per year between 2002 and 2006, while Antarctica lost about 152 cubic kilometers (36 cubic miles) of ice between 2002 and 2005.

• Declining Arctic sea ice
Both the extent and thickness of Arctic sea ice has declined rapidly over the last several decades.9

• Glacial retreat
Glaciers are retreating almost everywhere around the world — including in the Alps, Himalayas, Andes, Rockies, Alaska and Africa.

• Extreme events
The number of record high temperature events in the United States has been increasing, while the number of record low temperature events has been decreasing, since 1950.

• Ocean acidification
Since the beginning of the Industrial Revolution, the acidity of surface ocean waters has increased by about 30 percent.12,13 This increase is the result of humans emitting more carbon dioxide into the atmosphere and hence more being absorbed into the oceans. The amount of carbon dioxide absorbed by the upper layer of the oceans is increasing by about 2 billion tons per year.14,15

http://climate.nasa.gov/evidence

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