The world is rapidly changing and the effects of climate change are becoming more and more visible. By 2100, the consequences of global warming will be even more drastic. Heatwaves will be more frequent and long-lasting, causing droughts, global food shortages, migration, and increased spread of infectious diseases. Moreover, as the polar ice will melt, sea levels will rise substantially, affecting a large number of coastline cities and as many as 275 million of their inhabitants.

The world's population is expected to reach 11 billion by 2100, and the demand for food and resources will be even higher. This will cause an increase in land degradation, desertification, and deforestation, leading to further biodiversity loss and an increase in global warming. The effects of climate change will be especially visible in the world's poorest countries, which are already facing extreme weather conditions and are unable to cope with the effects of global warming.

The rise in sea levels will also cause flooding in coastal areas, resulting in the displacement of millions of people. This will lead to a massive increase in migration, as people seek to find a safe place to live. In addition, the destruction of coral reefs, which are essential for the ocean's ecosystem, will cause a decrease in fish populations, leading to food insecurity and malnutrition.

The extreme weather conditions will also have a major impact on the world's economy. Heatwaves and droughts will lead to crop failures, which will cause food prices to skyrocket. This will result in an increase in poverty and inequality, as the poorest countries will be the most affected. In addition, the increase in extreme weather events will cause major damage to infrastructure, leading to economic losses.

The effects of climate change will also have a major impact on the health of the world's population. Heatwaves will cause an increase in air pollution, leading to an increase in respiratory and cardiovascular diseases. In addition, the spread of infectious diseases will be exacerbated by the displacement of people and the destruction of ecosystems.

In order to prevent the worst effects of climate change, it is essential that we take action now. We must reduce our carbon emissions, invest in renewable energy sources, and protect our ecosystems. We must also ensure that the world's poorest countries are provided with the resources they need to cope with the effects of climate change.

By 2100, the effects of climate change will be even more drastic. Heatwaves will be more frequent and long-lasting, causing droughts, global food shortages, migration, and increased spread of infectious diseases. Moreover, as the polar ice will melt, sea levels will rise substantially, affecting a large number of coastline cities and as many as 275 million of their inhabitants. In order to prevent the worst effects of climate change, it is essential that we take action now. We must reduce our carbon emissions, invest in renewable energy sources, and protect our ecosystems. If we do not take action now, the world in 2100 will be drastically different from the one we know today.