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Actuarial
Approaches
to Global Warming
Written by Dr. Paul Epstein to
The Boston Globe, August 7, 2006
Dear Editor:
Beth Daley (Aug 6, page 1) does an excellent job examining the insurance
industry’s evolving approach to increasingly severe weather.
The underestimation of storm intensity may be due to the finding
that, over the past half century, the oceans have absorbed twenty-two
times the amount of heat as has the atmosphere. Deep ocean warming
drives sequences of storms, melts ice and is changing North Atlantic
circulation.
The insurance industry can do more than raise premiums and make
exclusions. Insurers and other large investors can shift their assets
into clean energy technologies and advocate for public policies
to enable the transition to occur safely and profitably.
Distributed means of generating energy cleanly and much greater
energy efficiency will decrease vulnerability to storms and heat
waves, improve public health and development in poor nations, and
create markets for technologies that help stabilize the climate.
Sincerely yours,
—Paul R. Epstein, M.D., M.P.H.
—Associate Director
—Center for Health and the Global
—Environment,
—Harvard Medical School
—Cambridge, MA
EDITOR’S
NOTE
Beth Daley’s article, “Homeowners may feel heat
of global warming,” to which Dr. Epstein was responding, reported
that a major insurance industry research organization, “Risk
Management Solutions released the new model in May, predicting that
average annual insurance losses will increase 25 to 30 percent in
the coastal Northeast because of increased hurricane activity.…
The confidential risk models that private companies like AIR and
Risk Management Solutions develop are key factors in the price of
homeowners insurance bought by many coastal residents. The modelers
calculate the risk from hurricanes, earthquakes, and other natural
hazards to homes and businesses in a region that takes into account
everything from construction material to wind speeds. Insurance
providers often use the predictions as an important piece in a complicated
formula to set rates.”
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