WASHINGTON
- October 18 - More people worldwide are now displaced by natural disasters than by
conflict. In the 1990s, natural catastrophes like hurricanes, floods,
and fires affected more than two billion people and caused in excess of
$608 billion in economic losses worldwide-a loss greater than during the
previous four decades combined. But more and more of the devastation wrought
by such natural disasters is "unnatural" in origin, caused by
ecologically destructive practices and an increasing number of people
living in harm's way, finds a new study by the Worldwatch Institute, a
Washington D.C.-based environmental research organization.
"By degrading forests, engineering rivers, filling in wetlands,
and destabilizing the climate, we are unraveling the strands of a complex
ecological safety net," said Senior Researcher and author of Unnatural
Disasters Janet Abramovitz. "We have altered so many natural systems
so dramatically, their ability to protect us from disturbances is greatly
diminished."
Also contributing to the rising toll of disasters is the enormous expansion
of the human population and the built environment, which put more people
and more economic activities in harm's way. One in three people-some 2
billion-now live within 100 kilometers of a coastline. Thirteen of the
world's 19 megacities (with over 10 million inhabitants) are in coastal
zones. The projected effects of global warming, such as more extreme weather
events and sea level rise, will only magnify potential losses.
Although "unnatural disasters" occur everywhere, their impact falls
disproportionately on poor people as they are more likely to be living
in vulnerable areas and they have fewer resources to prepare for or recover
from disasters. Between 1985 and 1999, 96 percent of recorded disaster
fatalities were in developing countries.
The Intergovernmental Panel on Climate Change (IPCC) estimates that future
impacts of climate extremes will affect the poor disproportionately. Viet
Nam and Bangladesh, for example, are projected to lose more than 70,000
square kilometers of land, affecting some 32 million people. Rich countries
will not be spared either. The entire Mediterranean coast is especially
vulnerable to sea level rise, as are the U.S.'s Atlantic and Gulf coasts.
Economic losses from "unnatural disasters" are greater in the
developed world-the earthquake that rocked Kobe, Japan in 1995, for example,
cost more than $100 billion, making it the most expensive natural disaster
in history. Smaller losses often hit poor countries harder, where they
represent a larger share of the national economy. The damage from 1998's
Hurricane Mitch in Central America was $8.5 billion-higher than the combined
gross domestic product of Honduras and Nicaragua, the two nations hardest
hit.
Few of the losses in poor countries are insured. In the period 1985-99,
the vast majority of insured losses-some 92 percent-were in industrial
nations.
"Expanding the financial safety net for poor countries is essential,"
said Abramovitz. "So too is maintaining and restoring nature's ecological
safety net in all countries. Dunes, barrier islands, mangrove forests
and coastal wetlands are natural 'shock absorbers' that protect against
coastal storms. Forests, floodplains, and wetlands, are 'sponges' that
absorb floodwaters. Nature provides these services for free, and we should
take advantage of them rather than undermining them."
For example, China now recognizes that forests are ten times more valuable
for flood control and water supply than they are for timber, and has halted
logging in the Yangtze River watershed. The loss of 85 percent of the
forests in the upper Yangtze River worsened the 1998 flood that affected
223 million people. Viet Nam has restored 2,000 hectares of mangroves
in a successful effort to provide a buffer from coastal storms as well
as much needed jobs in fisheries. The U.S. could prevent a repeat of the
devastating 1993 Mississippi flood by restoring just half of the wetlands
lost in the upper Mississippi Basin-a move that would affect no more than
three percent of surrounding agricultural, forest, and urban land.
To date, much of the response to disasters has focused on improving weather
predictions before the events and providing humanitarian relief afterwards-both
of which have saved countless lives. "Yet, too often long-term mitigation
efforts are overlooked by the public and politicians alike," says
Abramovitz. "Money invested in disaster mitigation yields several
fold returns in recovery cost savings. Considering the social and ecological
losses that are also prevented, it's clear that mitigation is a great
investment."
Unnatural Disasters also suggests several other specific mitigative measures:
Community-based disaster preparedness is essential in preventing and responding
to the full array of disasters that societies now face. Rather than subsidizing
environmentally unsound settlement and development practices, governments
need to direct new construction and settlement out of harm's way. Infrastructure
in vulnerable locations can be built or reinforced to withstand hazards.
Debt relief for developing nations can free up resources for desperately
needed disaster prevention efforts. Better hazard mapping can further
improve early warning and disaster preparedness schemes, keeping human
and economic losses as low as possible.
NOTES TO EDITORS:
Purchasing Information: Unnatural Disasters costs $5.00 and can be purchased
through the Worldwatch website: www.worldwatch.org
or by calling 1-800-555-2028 in the U.S. and 1-301-567-9522 from anywhere
else.