Global Warming is an increasingly worrying issue among nations today. It is a potential crisis that will affect every part of the world, its biomes, its humans and its ecosystems. Global warming can be defined as “an increase in the average temperature of the Earths atmosphere, especially a sustained increase sufficient to cause climate change”. This can be caused by the emission of gases such as carbon dioxide, methane, and nitrogen from human activities and industrial processes. These gases absorb the suns heat, trapping it in the atmosphere and causing the rise in temperature. The consequences of global warming will likely be far-reaching and perhaps devastating. Sea levels are expected to rise, which could flood coastal areas around the world and affect the delicate ecosystems of coral reefs. Furthermore, extreme weather events such as hurricanes, storms and floods are expected to increase in intensity and frequency, damaging homes and infrastructure. Global warming is also likely to cause more droughts in some regions, leading to food insecurity and water shortages. As temperatures increase, the habitats of various species of animals and plants will be changed. Species that are not able to adjust to the new temperature ranges may become extinct. Fortunately, nations from around the world are beginning to collaborate and take action to reduce the effects of global warming. Governments are investing in renewable energy sources, such as solar and wind power, and finding ways to reduce or eliminate the use of carbon-emitting fuels. International organizations are also making efforts to raise awareness and help direct resources to countries that are most vulnerable to the ravages of global warming. Experience has shown that it is possible to mitigate the effects of global warming. It will take an unprecedented global effort to reduce emissions and find ways to live with the impacts that cannot be reversed. We must all work together to prevent this crisis.