In 2015, for example, scientists said that an ongoing drought in Californiaâthe stateâs worst water shortage in 1,200 yearsâhad been intensified by 15 percent to 20 percent by global warming. They also said the odds of similar droughts happening in the future had roughly doubled over the past century.
Definition: Birth rate is the demographic measure of the rate at which children are born. The most well known is the crude birth rate, which is the number of births that occur each year per 1,000 people in the midyear population. It is called âcrudeâ because it does not take into account the possible effects of age structure.
Use 'birth rate' in a Sentence. Knowing what the birth rate of the population is can help some businesses assess what the future may bring for their product. 18 people found this helpful. I wanted to see the birth rate for the state because I had the feeling that it was way higher than any of the other states. 15 people found this helpful.