"Tar sands" refers to a type of oil deposit found in sandy or clay-like materials. The term is used to describe these deposits because they contain a sticky and thick form of petroleum called bitumen, which is similar to tar.
Full definition
To produce one barrel of
tar sands oil requires about three barrels of water.
All things considered, the energy you can get from burning a barrel
of tar sands oil only barely exceeds the energy required to produce it.
First, producing oil
from tar sands emits two to three times the global warming pollution of conventional oil.
With
tar sands in the fuel mix, achieving the additional emission reductions will cost more money.
The Canadian
tar sands industry was a major part of that chapter, being at that time the leading unconventional oil source.
All of these characteristics make transporting
tar sands crude by pipeline much more dangerous than conventional crude.
Such a rapid expansion of
tar sands development is part of a global energy scenario that would push average global temperatures as high as six degrees Celsius by the end of the century.
It must be noted that it was conducted by firms connected to companies involved in
tar sands production.
It was just the latest in a string of major setbacks
for tar sands oil, which has become nearly as bad for corporate profits as it is for the environment.
This is especially true for the most carbon - intensive of fossil fuels such
as tar sands oil.
However, reducing the demand for fossil fuels on the other hand would lower the price of oil and put a cap
on tar sand production.
The review used this assumption to get out of any meaningful consideration of the climate pollution from
tar sands expansion, and in this time of worsening climate change that is not acceptable.
The pipeline itself is meaningless, what matters, from a climate perspective, are all the additional GHG emissions that would be caused, directly and indirectly,
by tar sand development.
Climate change, driven by use of fossil fuels
like tar sands, is causing extreme weather events around the globe.
The process of converting
tar sands into fuel releases three to five times the greenhouse gas emissions of conventional oil.
Using the courts, political pressure, and grassroots power, we're fighting to keep
dirty tar sands oil in the ground.
We report on contamination from the millions of gallons of toxic wastewater generated each day by
tar sands mines.
With a stroke of his pen, the president could almost (almost)
make tar sands into a worthwhile economic proposition for investors.
More tar sands production means more carbon pollution — and it doesn't take a fancy graph to see that.
The proposed pipeline would
carry tar sands oil through two Indian reservations.
On a lifetime basis, a gallon of gasoline made from
tar sands produces about 15 % more carbon dioxide emissions than one made from conventional oil.
The difference is that it takes a lot more energy, and therefore carbon, to extract and
process tar sands oil.
Over the past year, corporations have come under increasing public pressure to stop
using tar sands oil.
It's the end of the line for the Keystone pipeline (probably), but not for battles
over tar sands and climate.
It is fundamentally impossible to both
expand tar sands production with new export pipelines and meet our commitment for global warming not to exceed 1.5 degrees Celsius.
And
tar sands companies and the public health officials who are supposed to protect us are not up to the job of keep us safe.
Developing tar sands means increasing the already high pollution burden associated with oil production.
The round trip makes the costly - to -
extract tar sands oil competitive in a tight global market.
In 2013, Global applied for a permit to allow it to handle
heavy tar sands crude oil at the same facility.
Based on the initial description of this product, it appears that it could alleviate many of the risks involved with
moving tar sands oil by rail.
New pipelines would mean
massive tar sands expansion that is incompatible with a safe global climate.
The industry also opposes changes to
how tar sands oil pipelines are regulated.
This panel of scientists, engineers and experts - have any of them actually seen what a million gallons of
tar sands does to a river, to a community?
Our case was bolstered by the statements made by the industry, banks, and investors on the need for the pipeline to
keep tar sands oil flowing.
The report also describes other market forces that are
putting tar sand developers at a growing disadvantage.
Burning a gallon of gas from
tar sands releases as much as 37 percent more carbon pollution than burning a gallon of gas from conventional oil.