Wonder Ray's post on Goodwall - There have numerous problems cause by the change in climate. First i will discuss about temperature,the rise in temperature or fall causes changes in an area. The world is facing food crisis . There is less productive in the Agriculture sector.This question have been bothering people's mind.one major reason is because some crops can't be cultivated at any time or period due to climate variation.some crops fails to under high temperature henceforth there will be decrease in crop production.