The tropical rainforests, located in a narrow region near the equator, are disappearing so fast that by the year 2000 eighty percent of them may be gone.
A recent analysis by Boeing forecasts that unless safety is improved, jet airliners could be falling out of the sky at the rate of once a week by the year 2010.
By the year 2020, the population of our city will have doubled.
By the year 2020, the population of this city will have doubled.