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Africa Most Vulnerable to Global Warming Effects, U.N. Says
from the Los Angeles Times (Registration Required)
JOHANNESBURG, SOUTH AFRICA -- Africa produces a tiny fraction of the world's greenhouse gases but is particularly vulnerable to the effects of global warming, U.N. environmental experts said Tuesday at a conference of African environment ministers here.
Some of those present had harsh words for the developed world, in particular the United States, the largest producer of greenhouse gases. They said industrialized nations are pressing Africans to reduce gas emissions while not doing enough themselves.
"Computer models project major changes in precipitation patterns on the continent, which could lead to food shortages and increased desertification," says a United Nations Environment Program report released at the conference. "Yet on the whole, African nations lack the resources and technology to address such changes."
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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