how population growth?

This mean that nowadays there are medicines that cure diseases, so not many people die and many people born healthy.

This image shows that years ago many people die because of the diseases and there were not medicines to cure.




This image shows that in 2050 we are going to be 9.5 billion of population.

The image shows that in 2030 we were going to be 8 billion of person.All the yellows dot mean the population



Summary:Population growth very fast because now a day we can have new: medicines to cure the diseases so people do not die young, have more food and more water,all this is needed to live.Also is growth the pollution, for example: instead of use bicycles they use cars.


videos :
https://www.youtube.com/watch?v=b98JmQ0Cc3k
https://www.youtube.com/watch?v=VcSX4ytEfcE
https://www.youtube.com/watch?v=khFjdmp9sZk
https://www.youtube.com/watch?v=RLmKfXwWQtE