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.
Birth and death rates. The survey also found that Indiaâs crude birth rate in 2013 fell by 0.2 points over 2012. The crude birth rate is the number of births recorded in a year, per 1,000 population estimated at midyear.Since 2008, the decline has been 1.4 points.The death rate, or the number of deaths recorded in a year per 1,000 population estimated at midyear, remained stable at 7 points. Odisha at 8.4 recorded the highest death rate, while Delhi at 4.1 recorded the lowest. Indiaâs total population is over 1.2 billion.ince 2008, the decline has been 1.4 points. The death rate, or the number of deaths recorded in a year per 1,000 population estimated at midyear, remained stable at 7 points. Odisha at 8.4 recorded the highest death rate, while Delhi at 4.1 recorded the lowest. Indiaâs total population is over 1.2 billion.