[DEBATE] : (Fwd) The ethanol threat
pbond at mail.ngo.za
Tue Mar 6 16:42:39 GMT 2007
March 5, 2007 by the lndependent/UK
by Daniel Howden in Sao Paolo
The ethanol boom is coming. The twin threats of climate change and
energy security are creating an unprecedented thirst for alternative
energy with ethanol leading the way.
That process is set to reach a landmark on Thursday when the US
President, George Bush, arrives in Brazil to kick-start the creation of
an international market for ethanol that could one day rival oil as a
global commodity. The expected creation of an "OPEC for ethanol"
replicating the cartel of major oil producers has spurred frenzied
investment in biofuels across the Americas.
But a growing number of economists, scientists and environmentalists are
calling for a "time out" and warning that the headlong rush into massive
ethanol production is creating more problems than it is solving.
To its advocates, ethanol, which can be made from corn, barley, wheat,
sugar cane or beet is a green panacea - a clean-burning, renewable
energy source that will see us switch from dwindling oil wells to
boundless fields of crops to satisfy our energy needs.
Dr Plinio Mario Nastari, one of Brazil's leading economists and an
expert in biofuels, sees a bright future for an energy sector in which
his country is the acknowledged world leader: "We are on the brink of a
new era, ethanol is changing a lot of things but in a positive sense."
In its first major acknowledgment of the dangers of climate change, the
White House this year committed itself to substituting 20 per cent of
the petroleum it uses for ethanol by 2017.
In Brazil, that switch is more advanced than anywhere in the world and
it has already substituted 40 per cent of its gasoline usage.
Ethanol is nothing new in Brazil. It has been used as fuel since 1925.
But the real boom came after the oil crisis of 1973 spurred the military
dictatorship to lessen the country's reliance on foreign imports of
fossil fuels. The generals poured public subsidies and incentives into
the sugar industry to produce ethanol.
Today, the congested streets of Sao Paolo are packed with flex-fuel cars
that run off a growing menu of bio and fossil fuel mixtures, and all
filling stations offer "alcohol" and "gas" at the pump, with the latter
at roughly twice the price by volume.
But there is a darker side to this green revolution, which argues for a
cautious assessment of how big a role ethanol can play in filling the
developed world's fuel tank. The prospect of a sudden surge in demand
for ethanol is causing serious concerns even in Brazil.
The ethanol industry has been linked with air and water pollution on an
epic scale, along with deforestation in both the Amazon and Atlantic
rainforests, as well as the wholesale destruction of Brazil's unique
Fabio Feldman, a leading Brazilian environmentalist and former member of
Congress who helped to pass the law mandating a 23 per cent mix of
ethanol to be added to all petroleum supplies in the country, believes
that Brazil's trailblazing switch has had serious side effects.
"Some of the cane plantations are the size of European states, these
vast monocultures have replaced important eco-systems," he said. "If you
see the size of the plantations in the state of Sao Paolo they are
oceans of sugar cane. In order to harvest you must burn the plantations
which creates a serious air pollution problem in the city."
Despite its leading role in biofuels, Brazil remains the fourth largest
producer of carbon emissions in the world due to deforestation. Dr
Nastarti rejects any linkage between deforestation and ethanol and
argues that cane production accounts for little more than 10 per cent of
However, Dr Nastari is calling for new legislation in Brazil to ensure
that mushrooming sugar plantations do not directly or indirectly
contribute to the destruction of vital forest preserves.
Sceptics, however, point out that existing legislation is unenforceable
and agri-business from banned GM cotton to soy beans has been able to
"In large areas of Brazil there is a total absence of the state and no
respect for environmental legislation," said Mr Feldman.
"Ethanol can be a good alternative in the fight against global warming
but at the same time we must make sure we are not creating a worse
problem than the one we are trying to solve."
The conditions for a true nightmare scenario are being created not in
Brazil, despite its environment concerns, but in the US's own domestic
While Brazil's tropical climate allows it to source alcohol from its
sugar crop, the US has turned to its industrialised corn belt for the
raw material to substitute oil. The American economist Lester R Brown,
from the Earth Policy Institute, is leading the warning voices: "The
competition for grain between the world's 800 million motorists who want
to maintain their mobility and its two billion poorest people who are
simply trying to stay alive is emerging as an epic issue."
Speaking in Sao Paolo, where the ethanol boom is expected to take off
with a US-Brazil trade deal this Thursday, Fabio Feldman, said: "We must
stop and take a breath and consider the consequences."
When Rudolph Diesel unveiled his new engine at the 1900 World's Fair, he
made a point of demonstrating that it could be run on peanut oil. "Such
oils may become, in the course of time, as important as petroleum and
the coal tar products of the present time," he said.
And so it has come to pass that US President George Bush has decreed
that America must wean itself off oil with the help of biofuels made
from corn, sugar cane and other suitable crops.
At its simplest, the argument for biofuels is this: By growing crops to
produce organic compounds that can be burnt in an engine, you are not
adding to the overall levels of carbon dioxide in the atmosphere.
The amount of CO2 that the fuel produces when burnt should balance the
amount absorbed during the growth of the plants.
However, many biofuel crops, such as corn, are grown with the help of
fossil fuels in the form of fertilisers, pesticides and the petrol for
One estimate is that corn needs 30 per cent more energy than the
finished fuel it produces.
Another problem is the land required to produce it. One estimate is that
the grain needed to fill the petrol tank of a 4X4 with ethanol is
sufficient to feed a person for a year.
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