Energy consumption and the environment


Energy and the Environment - Nearly 90% of Global Warming Gas Emissions Are CO2

"There is a 90 percent chance the planet'sWill environmental costing continue to
average temperatures will rise 3 to 9 F (1.7spread? Environmental costing is an estimated
to 4.9 C) by 2100." This simple statement incost for resource depletion and environmental
the June 2001 report released by Nationaldeterioration. One can only guess. It is
Center for Atmospheric Research in Boulder,intuitively attractive to tax something bad,
Colorado leaves little doubt of the magnitudei.e. environmental damage rather than
of the threat from global warming. The UNsomething good such as one's salary or
Environment Program estimates that the extracompany's  profits.
economic costs of disasters attributable to
global warming are running at more than $300As a building owner, facility engineer or
billion  annually.factory manager the implications are
enormous. Just how much could energy prices
The global community is responding withchange? According to European Research
actions lead by the Kyoto Protocol, whichCommission Report released in July of this
aims to reduce emissions of global warmingyear "The cost of producing electricity from
gases. Nearly 90% of global warming gascoal or oil would double if costs such as
emissions are CO2, which are primarily fromdamage to the environment and health were
the use of fossil fuels for energy. The focustaken  into  account".
on energy will undoubtedly continue to
increase. Throughout the world differentCoal subsidies in China have been more than
methods are being used to encourage reducedhalved since 1984, and nearly 1 million
energy use. Japan has enacted the Energycoal-mining jobs have been eliminated over
Conservation Law in 1999. The U.S. hasthe past five years as a result of
revised ASHRAE Standard 90.1 to raise thefar-reaching coal reduction initiatives. In
minimum COP level for centrifugal chillers1999 alone, total coal use in China dropped
from the current value of 5.2 to 6.14.4%. Petroleum subsidies fell from 55% in
effective in October of this year. A growing1990  to  2% in 1995. Source: EIA April 2001.
number of countries are using environmental
costing which includes an estimated cost forAny significant change in the price of energy
resource depletion and environmentalcan have a major impact on the profitability
deterioration.and value of a building or factory. One can
protect their interests by investing in the
Although such fees to discourage pollutionhighest possible efficiency that is
were first proposed in 1920 they did not seeeconomically  justifiable.
widespread application until 1990 when
Finland  implemented  the  first  carbon tax.In the past energy efficiency improvements in
the U.S. have had a median payback of only
At present there are more than 30 countries1.9 years meaning that IRR's of up to 70%
that  have some type of carbon tax in effect.were not being selected. This is now
changing. In addition to the economic
Environmental accounting (or costing) is aattractiveness of high efficiency there are
broader term than just a carbon tax onenvironmental gains through reduced emissions
energy. For example, subsidies being providedof carbon dioxide and other power plant
to energy producing industries are a form ofemissions that are harmful to the
negative tax. Removal of such subsidies hasenvironment.
the same effect as a carbon tax, which is to
raise the price of energy to the user. SuchThe move to high efficiency equipment is
methods make more energy efficientaccelerating. And at the same time, there is
alternatives  more  financially  attractive.increasing emphasis in system design and
optimization. Low flow/high delta T systems
In the recently released "OECD Environmentalare offering energy savings in operating
Strategy for the First Decade of the 21stcosts and first cost through smaller pipe
Century" the goal is to include "cuts todiameters  and  pump  sizes.
energy, farm and other subsidies so prices
more accurately reflect environmentalThe focus on high efficiency HVAC equipment
impacts". China, the U.K., India, Indonesiaand systems will continue to increase as
and Thailand are countries that have recentlyadditional emphasis is being placed on the
eliminated subsidies to parts of their energyenvironmental costs associated with energy
industries.use.



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