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    One of the greatest challenges facing our global community today, is climate change; a phenomena which threatens the survival of every living being in our society. It is a topic which is often overlooked in politics because it is perceived as a problem for future generations to worry about. However, it’s environmental, social and economical impacts are no longer subtle, we can see their severity every single day and if we do not address it now, we may push the climate beyond tipping points where the situation will become irreversible. 
     Climate change refers to the general rise in the surface temperature of the earth and although sometimes we may not realise it, these small changes can affect our environment in more ways than we count and causes a domino affect on our society.
As of today, there are more than 3 billion people still living in extreme poverty. Climate change will do nothing but worsen this issue which we as a community have been trying to eradicate for as long as I can remember. This gradual increase in temperature is affecting food supplies as farmers are struggling to combat soaring temperatures and varying precipitation rates. As a result, this is  intensifying the problem of malnutrition which according to the World Health Organisation is already causing 3.1 million deaths per year. Children and the elderly in poor communities are also more prone to the heath problems associated with climate change from heat-related illnesses due to higher temperatures to water-borne diseases due to increased flooding.
Some members of our society such as those who live in areas that are unprotected to coastal storms, drought, and rising seas levels as well as those who live in immigrant communities are affected the most. These groups of people do not have the resources necessary to cope with natural disasters and are therefore displaced from their homes. According to a study by the Internal Displacement Monitoring Centre, 22.5 million people have been displaced since 2008 by climate related disasters. One of the most prominent example is the severe drought across the Horn of Africa (Kenya, Ethiopia, Somalia, Uganda and Djibouti) which has left over 12.4 million people in urgent need of humanitarian assistance and this situation is likely to continue to get worse in the future.
Women and children who are already a vulnerable group in society will face even more challenges.
In developing countries, it is the responsibility of women and children to collect water but due to the decreasing supply, they now have travel further distances to obtain basic necessities.  This therefore results in more work and less time to pursue other things like eduction.

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     Along with the above affects, climate change also seems to have a ceaseless impacts on the economy.
Small farmers who are already struggling to get a fair price for their goods are severely affected. Not only do they need to compete with large-scale agricultural systems to stay in business, they now also have to deal with climate change which is threatening the growth of their crops. This takes away their main source of income gravely affecting communities who live solely on selling their fruits and vegetables. This as a result is increasing the volatility of food prices not only in their respective community but globally as well.
     Sea-level rise, floods, droughts, wildfires, and extreme storms require repair of essential infrastructure such as homes, roads, bridges, railroad tracks, airport runways, power lines, dams and seawalls. These costs are massive and may plunge affected countries into huge amounts of debt.  Here’s a record of some of the worst damage done to the United States economy by natural disasters.  In 2005, Hurricane Katrina created $250 billion in damage and caused GDP to decline from 3.8 percent to 1.3 percent, in 2013, the most destructive tornado in U.S. history hit Oklahoma City, costing $2 billion in damages, In 2015, the drought cost California $2.7 billion and lastly in 2017, Hurricane Harvey dropped 51 inches of rain on Texas in four days and forced 30,000 people out of their homes in Houston. Experts predict the damage will be at least $150 billion. 
    Delving deeper into the ideas brought out at the beginning, Global warming is likely to increase the number of “climate refugees”.  This is only going to exacerbate the current refugee crisis. We are already seeing large numbers of people fleeing because of food and water scarcity, intensifying natural disasters and extreme weather and as warming worsens, these influxes would accelerate and asylum applications could nearly triple, to more than a million asylum seekers per year. This mass movements of people may lead to civil unrest, and might even result in military intervention and other unintended consequences.
     In conclusion, climate change is one of the worst humanitarians crises of our time. It’s environmental, social and economical impacts are no longer subtle and if we do not address it now, the situation will become irreversible. Countries are going to pay for climate change one way or another so the best way to pay for it is by tackling the root causes of climate change and cutting greenhouse emissions. By taking the right measures, we will protect the poorest and most vulnerable in our global society and build a safe and secure future for our planet. Conservation International have found that it would require less than 0.1 per cent of global GDP to to make the necessary changes to tackle this growing problem. The longer world leaders deny the existence of climate change, the harder it will be to reverse the damage that humanity has caused the world.