Summary of English Vocabulary for Climate Change

## Introduction Climate change affects small islands in many direct and indirect ways. Rising sea levels, stronger storms, changing rainfall patterns and human pressures threaten island homes, resources and ways of life. This guide breaks down the main impacts, key vocabulary and practical responses so you can understand how islands cope and what choices communities and governments face. ## Key concepts and vocabulary > **Collection of small islands:** a group of small islands near each other. > **Atolls:** ring-shaped islands made of coral rock. > **Coral reef:** underwater structures built by coral organisms that protect coasts and support marine life. > **Rising sea levels / Sea claims:** the long-term increase in ocean level that causes the sea to take land from coasts. > **Seawalls / Coastal walls:** human-made barriers built along shorelines to reduce flooding and erosion. > **Desalination equipment:** machines that remove salt from sea water to produce fresh water. > **Evacuated / Relocate / Preserve:** verbs describing moving people away from danger, moving to another place, and protecting resources or culture. ## How sea level rise affects islands ### Physical impacts - Coastal erosion and loss of land: beaches, semicircles of land and low-lying atolls shrink as water rises. - Saltwater contamination: seawater can contaminate freshwater supplies and soil, harming crops and drinking water. - Flooding and high tidal waves: periodic high tides and storm surges can overflow coastal walls and wash away buildings. ### Social and economic impacts - Overcrowded and underdeveloped areas: when people relocate within an island or to nearby islands, some areas become overcrowded while others cannot support more people. - Loss of homeland and cultural disruption: communities that have lived on an island for generations may refuse to leave and lose traditional livelihoods. - Increased disease risk: standing water and changed rainfall patterns can increase diseases carried by mosquitoes. > **Fun fact:** Coral reefs act as natural coastal protection and can reduce wave energy, helping to protect shorelines and human settlements. ## Human responses and adaptation options ### Hard and soft defenses - Seawalls and coastal walls: physical barriers built to stop waves and prevent overflow. They can be expensive and may only delay damage. - Nature-based solutions: restoring coral reefs, mangroves and beaches to absorb wave energy and reduce erosion. ### Water and food security - Desalination equipment: provides fresh water from seawater but requires energy and maintenance that underdeveloped areas may not afford. - Supplies and storage: keeping essential supplies on hand during high tides or storms reduces immediate harm. ### Relocation and planning - Evacuation plans: moving people temporarily during storms. - Planned relocation: moving whole communities to safer ground or inland areas when survival is threatened. - Co-exist strategies: combining defensive measures with cultural preservation so communities can maintain beliefs and way of life when possible. ### International support and policy - International aid can fund coastal walls, desalination, health programs and relocation projects. - Emission reductions: islands often have the lowest carbon emissions but are among the most affected, so global action matters. ## Vocabulary: verbs and related forms | Verb | Meaning | Example usage | | --- | --- | --- | | Devastated | destroy something | A village was devastated by the high tidal wave. | | Washing away | destroy with water | Heavy storms are washing away beaches. | | Contaminating | poison and make bad | Saltwater is contaminating the island's well. | | Evacuated | move to safety | Residents were evacuated before the flood. | | Die out | stop existing | Some coral species may die out if water gets too warm. | | Spread | affect a larger area | Mosquito-borne diseases can spread after floods. | | Relocate | move to anot