In ancient times the biggest global problem was wars.People have been fighting with each other since beginning of the civilization mostly to get new territories and more land. Today, there are more global problems which can be divided into two categories: ecological problems and social, economic and political issues.The first category includes issues relating to ecological destruction, pollution and global warming as the result. The climate is changing and many people agree that climate change may be one of the greatest threats facing the planet.Global warming has already killed off some types of animals and plants. Rising sea levels are threatening whole nations on islands in the Pacific and Indian Oceans.The second category of global problems deals with social, economic and political issues. They include global terrorism, poverty, human rights, health issues, racism and many othersWe are faced with the problem of global terrorism. And more and more countries are suffering from it.