Mon, Apr 16, 2007 page7

• Global warming could affect US security: report

  CHAOS Government consultants have found a warming climate could lead to mass migrations, disease and conflicts over food and water

  • NY TIMES NEWS SERVICE
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  For the second time in a month, private consultants to the government are warning that human-driven warming of the climate poses risks to the national security of the US.

  A report, scheduled to be published today but distributed to some reporters on Saturday, said issues usually associated with the environment -- like rising ocean levels, droughts and violent weather caused by global warming -- were also national security concerns.

  "Unlike the problems that we are used to dealing with, these will come upon us extremely slowly, but come they will, and they will be grinding and inexorable," Richard Truly, a retired US Navy vice admiral and former NASA administrator, said in the report.

  The effects of global warming, the study said, could lead to large-scale migrations, increased border tensions, the spread of disease and conflicts over food and water. All could lead to direct involvement by the US military.

  The report recommends that climate change be integrated into the nation's security strategies and says the US "should commit to a stronger national and international role to help stabilize climate changes at levels that will avoid significant disruption to global security and stability."

  The report, called National Security and the Threat of Climate Change, was commissioned by the Center for Naval Analyses, a government-financed research group, and written by a group of retired generals and admirals known as the Military Advisory Board.

  Last month, a report from the Global Business Network, which advises intelligence agencies and the Pentagon on occasion, concluded, among other things, that rising seas and more powerful storms could eventually generate unrest as crowded regions like Bangladesh's sinking delta become less habitable.

  One of the authors of the report, Peter Schwartz, a consultant who studies climate risks and other trends for the Defense Department and other clients, said the climate system, jogged by a century-long buildup of heat-trapping gases, was likely to rock between extremes that could wreak havoc in poor countries with fragile societies.

  "Just look at Somalia in the early 1990s," Schwartz said. "You had disruption driven by drought, leading to the collapse of a society, humanitarian relief efforts, and then disastrous US military intervention. That event is prototypical of the future."

  "Picture that in Central America or the Caribbean, which are just as likely," he said. "This is not distant, this is now. And we need to be preparing."

  Other recent studies have shown that drought and scant water have already fueled conflicts in global hot spots like Afghanistan, Nepal, and Sudan, according to several recent studies.

  This bodes ill, given projections that human-driven warming is likely to make some of the world's driest, poorest places drier still, experts said.

  "The evidence is fairly clear that sharp downward deviations from normal rainfall in fragile societies elevate the risk of major conflict," said Marc Levy of the Earth Institute at Columbia University, which recently published a study on the relationship between climate and civil war.

  Given that climate models project drops in rainfall in such places in a warming world, Levy said, "It seems irresponsible not to take into account the possibility that a world with climate change will be a more violent world when making judgments about how tolerable such a world might be."
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