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Small island states are the countries likely to be most vulnerable to climate variability and long-term climate change, particularly extreme weather and climate events (such as cyclones, floods and droughts) and sea-level rise. Many small island states share characteristics that increase their vulnerability, these include their small sizes, isolation,limited fresh water and other natural resources, fragile economies, often dense populations,poorly developed infrastructures and limited financial and human resources. To understand better the potential health impacts of climate variability and change in small island states and to build capacity to cope with climate change through adaptation planning, a series of workshops and a conference were organized by the World Health Organization (WHO) in partnership with the World Meteorological Organization (WMO) and the United Nations Environment Programme (UNEP)(WHO 2000; Aron et al. 2003; WHO 2003). This report synthesizes the information presented and identifies key recommendations for improving the health sector’s capacity to anticipate and prepare for climate variability and change. There is ample evidence that many small island states currently are vulnerable to climate variability. Climate change projections increase the level of concern because models suggest that small island states will experience not only warmer temperatures, but also increased climate variability. The consequences of increased climate variability are likely to be related to changes in rainfall, soil moisture budgets, prevailing winds (speed and direction), regional and local sea levels and patterns of wave action. El Niño events are likely to strengthen the short-term and inter annual variations. In addition, global mean sea level is projected to increase by0.09 m to 0.88 m by 2100. To understand better the potential human health consequences o fthese projected changes, the following questions were addressed

The Intergovernmental Panel on Climate Change (IPCC) was set up jointly by the World Meteorological Organization and the United Nations Environment Programme to provide an authoritative international statement of scientifi c understanding of climate change. The IPCC’s periodic assessments of the causes, impacts and possible response strategies to climate change are the most comprehensive and up-to-date reports available on the subject, and form the standard reference for all concerned with climate change in academia, government and industry worldwide. Through three working groups, many hundreds of international experts assess climate change in this Fourth Assessment Report. The Report consists of three main volumes under the umbrella title Climate Change 2007, all available from Cambridge University Press

The breathtakingly beautiful coral reefs of the world cover less than a half of one percent of our planet's sea floor. And yet, these magnificent underwater empires are home to an estimated 25 percent of all oceanic species, a dazzling diversity of sea creatures. Like the teeming metropolis of Rome, a coral reef "was not built in a day."Rather, the coral heads in a reef grow at a painstakingly slow average rate of half an inch per year and require epochs of geological time to amass into reefs and coral cays.Coral reefs, in addition to providing food and shelter for countless varieties of marine life, provide benefits beyond estimation for humankind. Healthy reefs aree ssential for an adequate supply of seafood to nourish the world's populations and sustain regional fishing industries. Reefs enhance tourist businesses by attracting millions of divers and by continuously supplying coastal beaches with shimmering white sand, the fine-grained rubble of dead corals and calcareous reef algae. By breaking waves, reefs protect nearby shorelines from soil and sand erosion and from the brunt of ravaging hurricanes. A wealth of commercial and medical applications has been discovered for corals and other components of the reef community. From coral reefs come additives for cement and mortar, compounds used in violin varnishes, substances for surgically replacing broken human bones, and promising treatments for infections,viruses, arthritis, asthma, and cancer. Scientists agree that this is only the tip of the iceberg as far as important findings and innovations which will result from continued research of coral reefs.

Both scientists and decision makers have become increasingly aware of the need to understand the complexity of natural systems when considering actions that affect individual aspects of resources and the environment. The interconnectedness of the physical and biological elements of a natural system is often appreciated in the abstract, but sometimes not as much as it should be in scientific studies. Too frequently, how the interaction of all elements of a system influence the organism, habitat, or process being focused on is given only lip service or general observations. Although not intended to be an integrated study, this report on oceanographic, geological, biological, and environmental aspects of the Gulf of the Farall ones is an excellent example of a study describing the many facets of a complex marine system.