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SUMMARY Tropical montane cloud forests (TMCFs) are high on the list of the world's most threatened ecosystems. In order to achieve the conservation of remaining areas there is an urgent need for information on the location, extent, protection status, biological importance, socioeconomic conditions and current threats on a site by site basis. This report(More)
In 1948 roof falls were the number one killer of coal miners in America. While the Bureau of Mines had been formed in 1910 to improve coalmine safety, it had largely focused on explosions, for which technological solutions appeared to exist. Roof falls, by contrast, were not amenable to a technical fix. Beginning in 1948, however, the Bureau discovered roof(More)