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[Role of biodiversity in maintaining Earth;s climate and and human civilization. Problems of geobiophysics].

Factors affecting the concentration of CO2 in atmosphere were analyzed, and the conditions providing the Earth termal balance stability were considered. It was shown that the antropogenic decrease of biodiversity in climate-forming biosystems, such as swamps and tropical seas, may lead to the greenhouse disaster, resulting in the raise of the temperature on the Earth's surface up to 300 degrees C and elimination of Life on Earth. By the example of the ecological disaster caused by the introduction of the European mollusc Dreissena into fresh waters of the North America, which was predicted by us, it was shown that the main reason for the decrease in biodiversity, which can accelerate the greenhouse disaster, is the violation of one of the Darvin principles of species formation, the principle of geographical isolation of species. It is shown in terms of a new model of periodical glaciation of the Northern Hemisphere that the elevation of Earth surface temperature caused by an increase in CO2 concentration in the atmosphere can substantially accelerate the onset of a new glaciation period in the Northern Hemisphere, which may decrease the greenhouse disaster rate. The necessity of the formation of a new interdisciplinar scientific branch, geobiophysics, is considered.

Animals↗

Benchmarks: investing in civil rights and diversity.

HSL talks to leaders of four healthcare organizations in various states of developing programs for ensuring a workforce representative of the communities they serve. Programs range from internships for future leaders to creating diversity ambassadors among the workforce.

Attitude of Health Personnel↗

A civil rights primer for healthcare organizations.

"Diversity helps us build a better product for the diverse customers we're serving," says University of Michigan Hospitals' Ellen J. Gaucher. And several healthcare organizations stand out for their efforts to build a diverse workforce. Leaders agree that an atmosphere open to diversity starts at the top. They identify four major steps that board members and senior executives can take to ensure a system that welcomes all racial and ethnic groups into the fold.

Civil Rights↗

Civil rights extended to disabled.

Largely unnoticed for more than a quarter century, disabilities groups have waged a fight to extend equal rights and opportunities protection to an estimated 43 million Americans with disabilities. On July 26, 1990, President Bush signed landmark legislation dear to the disabled into law. To ensure an easier and smoother transition and compliance for their organizations, physician executives should have a general understanding of the law and its ramifications.

Architectural Accessibility↗