The aspects more important and representative of the 21st century are the debate about environment, digital technology, science and politics aspects.
In the case of environment problem respect global warming fossil fuel pollution and alternative energy raged in the new century after most of the 20th century was marked by industrial expansion. Today, the man have more conscience about the importance for protect of environment, because, the man have knowledge that don’t take care the environment, the final of man will arrive.
The digital technology have a strong impact in the actual life of man, because, the digital technology is contact with man almost all time of his life. An example is the introduction in the lifestyle of cell phones and internet. In 2008, 3.3 billion people globally, or nearly half the world's population used cell phones, and in 2005, over a billion people worldwide used the Internet. Other examples are the introduction of laptops, wireless technology and digital audio players, that the principal representative is the IPod.
Other significant events for this century are in 2003 Dolly the cloned sheep dies prematurely February 14. In the 2005 the first successful partial face transplant is performed in France and 2006 an Australian of the Year Dr Ian Frazer develops a vaccine for cervical cancer.
In conclusion, this century is interesting part of human history, because, with the incorporation the digital technology in the daily life for man easily the realization of some work and home activities. Although, this associated with a quickly life that give consequences are obesity, physic inactivity and stress. Other important aspect in this century is the globalization that allow communication between different countries that adjust the world.


