Since it is estimated that only 5% of the oceans have been explored, more biologists will be needed to study the ocean and the unknown species that live within it. However, since most funding comes from government agencies, the demand for marine biologists will be limited by the budget granted by those agencies. Without a detailed understanding of the effects of pollution, coastal development, overfishing, and the sustainability of oxygen production in the ocean, there is no strong possibility that the environment and human health will be at great risk. Human population growth will expose wildlife and marine life to lethal threats such as habitat loss and disease. Marine biologists and their research will be needed so that potential problems can be resolved now, rather than when it is too late