Chiari Malformation. Chiari malformations (CMs) are structural defects in the cerebellum, the part of the brain that controls balance. When the indented bony space at the lower rear of the skull is smaller than normal, the cerebellum and brainstem can be pushed downward.
Slum Tours: Ecotourism or Exploitation? In Kenya's capital, one of the most lucrative -- and controversial -- effects of ecotourism has been the proliferation of tours through Kibera slum, home to more than 1 million people, almost a third of Nairobi's population.
You might even contribute your time to the community as a volunteer. Ecotourism's idealistic goal is to improve the world through responsible travel; while its effects will probably never match its ideals, travelers can offer very real benefits to local communities. Conservation. Ecotourism's primary aim is to counteract the negative effects of human development.