Obama Rejects Keystone XL Pipeline
Why Keystone XL Is Dead
President Obama announced Friday morning
that he has denied TransCanada’s permit application
to build the Keystone XL oil pipeline in the U.S.
“The State Department has decided that the
5 Keystone XL pipeline would not serve the national
interest of the United States,” Obama said. “I agree
with that decision.”
Obama said America is a global leader on taking
action on climate change, and approving Keystone XL
10 would have undercut that leadership. Some crude oil
needs to be left in the ground to keep the climate from
warming further, and rejecting Keystone XL will help
meet that goal, he said.
Among the reas ons for rejecting Keystone XL,
15 Obama said the pipeline would not make a meaningful
long-term contribution to the U.S. economy, nor would
it increase U.S. energy security or help to lower gas
prices, which have already declined dramatically over
the last year.
20 TransCanada said in a statement that it “would
review all of its options in light of a permit denial for
Keystone XL,” including the possibility of filing a new
permit application for a pipeline.
“TransCanada and its shippers remain absolutely
25 committed to building this important energy
infrastructure project,” TransCanada CEO Russ
Girling said in a statement.
State Department officials said at a news
conference Friday that TransCanada is free to apply
30 for a new permit to build a cross-border pipeline and it
is up to the company to do so.
The $8 billion Keystone XL pipeline was slated to
stretch 1,179 miles from east-central Alberta, Canada,
to the Texas Gulf Coast. It would transport 830,000
35 barrels of crude oil per day from the Canadian tar
sands to refineries near Houston. Proposed in 2008,
the 875-mile section between the Canadian border
and Steele City, Neb., needed State Department
approval because it crossed an international border.
40 Other parts of TransCanada’s Keystone Project
between central Nebraska and Texas have already
been built and are carrying tar sands oil to refineries
along the Gulf Coast today. Environmental advocates
have rallied against the unbuilt portion and urged the
45 Obama administration to reject it, saying emissions
from the production and burning of tar sands oil it
would carry could worsen climate change.
The U.S. Environmental Protection Agency
calculated that the tar sands oil the pipeline would
50 carry is highly damaging to the climate, emitting about
1.3 billion more tons of greenhouse emissions over
the pipeline’s 50-year lifespan than if it were carrying
conventional crude oil. The production of tar sands oil
releases 17 percent more CO2 into the atmosphere
55 than the average barrel of crude oil produced
elsewhere, according to the State Department.
“Construction of the Keystone XL pipeline would
be inconsistent with stabilizing global warming below
dangerous levels,” Penn State University climate
60 scientist Michael Mann said. “I am pleased that the
administration has made good on their promise to take
seriously the task of acting on climate by rejecting the
construction of the pipeline.”
Available at: . Retrieved on: Nov. 10th, 2015. Adapted
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Preocupado com o preço da gasolina importada no Brasil, o Conselho Federal do Comércio Exterior (CFCE) estudou a questão do petróleo em 1935, chamando a atenção para a dependência do país em relação às empresas petrolíferas internacionais. Nessa época, o país não detinha legislação sobre o petróleo e nenhum controle sobre a incipiente atividade do refino. Por meio de decretos, o Estado declarou como serviço de utilidade pública todas as atividades referentes ao petróleo e definiu como tais atividades estariam subordinadas à autoridade oficial e só deveriam ser concebidas por brasileiros natos. Cria-se, então, o Conselho Nacional do Petróleo (CNP), responsável pela política nacional para o setor.
COSTA, P. A cidade do petróleo . A geo-história do refi no do petróleo no Brasil. Guarapuava: Unicentro, 2012, p. 101-103. Adaptado.
Essa regulação inicial do setor petrolífero se insere no momento da política brasileira denominado
Texto associado
Texto I
Banhos de mar
Meu pai acreditava que todos os anos se devia
fazer uma cura de banhos de mar. E nunca fui tão fe-
liz quanto naquelas temporadas de banhos em Olin-
da, Recife.
5 Meu pai também acreditava que o banho de mar
salutar era o tomado antes de o sol nascer. Como ex-
plicar o que eu sentia de presente prodigioso em sair
de casa de madrugada e pegar o bonde vazio que
nos levaria para Olinda ainda na escuridão?
10 De noite eu ia dormir, mas o coração se manti-
nha acordado, em expectativa. E de puro alvoroço, eu
acordava às quatro e pouco da madrugada e desper-
tava o resto da família. Nós nos vestíamos depressa
e saíamos em jejum. Porque meu pai acreditava que
15 assim devia ser: em jejum.
Saímos para uma rua toda escura, recebendo
a brisa da pré-madrugada. E esperávamos o bonde.
Até que lá de longe ouvíamos o seu barulho se apro-
ximando. Eu me sentava bem na ponta do banco, e
minha felicidade começava. Atravessar a cidade es
cura me dava algo que jamais tive de novo. No bon
de mesmo o tempo começava a clarear, e uma luz
trêmula de sol escondido nos banhava e banhava o
mundo.
25 Eu olhava tudo: as poucas pessoas na rua, a
passagem pelo campo com os bichos-de-pé: “Olhe,
um porco de verdade!” gritei uma vez, e a frase de
deslumbramento ficou sendo uma das brincadeiras
da minha família, que de vez em quando me dizia
30 rindo: “Olhe, um porco de verdade.”
Eu não sei da infância alheia. Mas essa viagem
diária me tornava uma criança completa de alegria. E
me serviu como promessa de felicidade para o futu-
ro. Minha capacidade de ser feliz se revelava. Eu me
35 agarrava, dentro de uma infância muito infeliz, a essa
ilha encantada que era a viagem diária.
LISPECTOR, C. A Descoberta do Mundo . São Paulo: Rocco,
1999, p. 175. Adaptado
Banhos de mar
Meu pai acreditava que todos os anos se devia
fazer uma cura de banhos de mar. E nunca fui tão fe-
liz quanto naquelas temporadas de banhos em Olin-
da, Recife.
5 Meu pai também acreditava que o banho de mar
salutar era o tomado antes de o sol nascer. Como ex-
plicar o que eu sentia de presente prodigioso em sair
de casa de madrugada e pegar o bonde vazio que
nos levaria para Olinda ainda na escuridão?
10 De noite eu ia dormir, mas o coração se manti-
nha acordado, em expectativa. E de puro alvoroço, eu
acordava às quatro e pouco da madrugada e desper-
tava o resto da família. Nós nos vestíamos depressa
e saíamos em jejum. Porque meu pai acreditava que
15 assim devia ser: em jejum.
Saímos para uma rua toda escura, recebendo
a brisa da pré-madrugada. E esperávamos o bonde.
Até que lá de longe ouvíamos o seu barulho se apro-
ximando. Eu me sentava bem na ponta do banco, e
minha felicidade começava. Atravessar a cidade es
cura me dava algo que jamais tive de novo. No bon
de mesmo o tempo começava a clarear, e uma luz
trêmula de sol escondido nos banhava e banhava o
mundo.
25 Eu olhava tudo: as poucas pessoas na rua, a
passagem pelo campo com os bichos-de-pé: “Olhe,
um porco de verdade!” gritei uma vez, e a frase de
deslumbramento ficou sendo uma das brincadeiras
da minha família, que de vez em quando me dizia
30 rindo: “Olhe, um porco de verdade.”
Eu não sei da infância alheia. Mas essa viagem
diária me tornava uma criança completa de alegria. E
me serviu como promessa de felicidade para o futu-
ro. Minha capacidade de ser feliz se revelava. Eu me
35 agarrava, dentro de uma infância muito infeliz, a essa
ilha encantada que era a viagem diária.
LISPECTOR, C. A Descoberta do Mundo . São Paulo: Rocco,
1999, p. 175. Adaptado
A leitura atenta do Texto I permite sustentar que a narradora
A dissolução de 0,1 g de CaC i 2 em um copo bécher com 250 mL de água pura produz uma solução que, ao ser comparada com a água pura, tem
A porcentagem de resíduo de carbono, o número de carbonos e o ponto de ebulição guardam uma relação direta nas frações de petróleo.
Considere o sistema de eixos da Figura abaixo no qual são indicados cinco campos gráficos.
Comparados com as frações de gás natural, nafta, diesel e de gasolina em termos da distribuição nos campos do gráfico, os asfaltenos estariam no campo indicado por
O grau API é uma escala que classifica os óleos crus, provendo informação para que os operadores das refinarias selecionem condições de processamento.
Ao se comparar um óleo com grau API 40 com outro com grau API 20, o primeiro possui, usualmente, maior valor econômico, pois ele tem
A seguir, está representada uma substância química que possui atividade biológica.
Nessa substância, estão presentes as funções orgânicas
A Tabela abaixo indica alguns parâmetros da gasolina (representada por C 8 H 18 ) e do etanol (C 2 H 6 O).
Combustível
Densidade
(g mL -1 )
Massa molar (g mol -1 )
Variação de entalpia (kJ mol -1 )
Gasolina
0,72
114
-5400
Etanol
0,79
46
-1400
Comparando-se a combustão completa de 1,0 L de cada combustível, verifica-se que a razão entre o calor produzido pela gasolina e o produzido pelo etanol é
Texto associado
Obama Rejects Keystone XL Pipeline
Why Keystone XL Is Dead
President Obama announced Friday morning
that he has denied TransCanada’s permit application
to build the Keystone XL oil pipeline in the U.S.
“The State Department has decided that the
5 Keystone XL pipeline would not serve the national
interest of the United States,” Obama said. “I agree
with that decision.”
Obama said America is a global leader on taking
action on climate change, and approving Keystone XL
10 would have undercut that leadership. Some crude oil
needs to be left in the ground to keep the climate from
warming further, and rejecting Keystone XL will help
meet that goal, he said.
Among the reas ons for rejecting Keystone XL,
15 Obama said the pipeline would not make a meaningful
long-term contribution to the U.S. economy, nor would
it increase U.S. energy security or help to lower gas
prices, which have already declined dramatically over
the last year.
20 TransCanada said in a statement that it “would
review all of its options in light of a permit denial for
Keystone XL,” including the possibility of filing a new
permit application for a pipeline.
“TransCanada and its shippers remain absolutely
25 committed to building this important energy
infrastructure project,” TransCanada CEO Russ
Girling said in a statement.
State Department officials said at a news
conference Friday that TransCanada is free to apply
30 for a new permit to build a cross-border pipeline and it
is up to the company to do so.
The $8 billion Keystone XL pipeline was slated to
stretch 1,179 miles from east-central Alberta, Canada,
to the Texas Gulf Coast. It would transport 830,000
35 barrels of crude oil per day from the Canadian tar
sands to refineries near Houston. Proposed in 2008,
the 875-mile section between the Canadian border
and Steele City, Neb., needed State Department
approval because it crossed an international border.
40 Other parts of TransCanada’s Keystone Project
between central Nebraska and Texas have already
been built and are carrying tar sands oil to refineries
along the Gulf Coast today. Environmental advocates
have rallied against the unbuilt portion and urged the
45 Obama administration to reject it, saying emissions
from the production and burning of tar sands oil it
would carry could worsen climate change.
The U.S. Environmental Protection Agency
calculated that the tar sands oil the pipeline would
50 carry is highly damaging to the climate, emitting about
1.3 billion more tons of greenhouse emissions over
the pipeline’s 50-year lifespan than if it were carrying
conventional crude oil. The production of tar sands oil
releases 17 percent more CO2 into the atmosphere
55 than the average barrel of crude oil produced
elsewhere, according to the State Department.
“Construction of the Keystone XL pipeline would
be inconsistent with stabilizing global warming below
dangerous levels,” Penn State University climate
60 scientist Michael Mann said. “I am pleased that the
administration has made good on their promise to take
seriously the task of acting on climate by rejecting the
construction of the pipeline.”
Available at: . Retrieved on: Nov. 10th, 2015. Adapted
Why Keystone XL Is Dead
President Obama announced Friday morning
that he has denied TransCanada’s permit application
to build the Keystone XL oil pipeline in the U.S.
“The State Department has decided that the
5 Keystone XL pipeline would not serve the national
interest of the United States,” Obama said. “I agree
with that decision.”
Obama said America is a global leader on taking
action on climate change, and approving Keystone XL
10 would have undercut that leadership. Some crude oil
needs to be left in the ground to keep the climate from
warming further, and rejecting Keystone XL will help
meet that goal, he said.
Among the reas ons for rejecting Keystone XL,
15 Obama said the pipeline would not make a meaningful
long-term contribution to the U.S. economy, nor would
it increase U.S. energy security or help to lower gas
prices, which have already declined dramatically over
the last year.
20 TransCanada said in a statement that it “would
review all of its options in light of a permit denial for
Keystone XL,” including the possibility of filing a new
permit application for a pipeline.
“TransCanada and its shippers remain absolutely
25 committed to building this important energy
infrastructure project,” TransCanada CEO Russ
Girling said in a statement.
State Department officials said at a news
conference Friday that TransCanada is free to apply
30 for a new permit to build a cross-border pipeline and it
is up to the company to do so.
The $8 billion Keystone XL pipeline was slated to
stretch 1,179 miles from east-central Alberta, Canada,
to the Texas Gulf Coast. It would transport 830,000
35 barrels of crude oil per day from the Canadian tar
sands to refineries near Houston. Proposed in 2008,
the 875-mile section between the Canadian border
and Steele City, Neb., needed State Department
approval because it crossed an international border.
40 Other parts of TransCanada’s Keystone Project
between central Nebraska and Texas have already
been built and are carrying tar sands oil to refineries
along the Gulf Coast today. Environmental advocates
have rallied against the unbuilt portion and urged the
45 Obama administration to reject it, saying emissions
from the production and burning of tar sands oil it
would carry could worsen climate change.
The U.S. Environmental Protection Agency
calculated that the tar sands oil the pipeline would
50 carry is highly damaging to the climate, emitting about
1.3 billion more tons of greenhouse emissions over
the pipeline’s 50-year lifespan than if it were carrying
conventional crude oil. The production of tar sands oil
releases 17 percent more CO2 into the atmosphere
55 than the average barrel of crude oil produced
elsewhere, according to the State Department.
“Construction of the Keystone XL pipeline would
be inconsistent with stabilizing global warming below
dangerous levels,” Penn State University climate
60 scientist Michael Mann said. “I am pleased that the
administration has made good on their promise to take
seriously the task of acting on climate by rejecting the
construction of the pipeline.”
Available at: . Retrieved on: Nov. 10th, 2015. Adapted