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  • One-third of plant and animal species could be gone in 50 years
    Their results are based on data from hundreds of plant and animal species surveyed around the globe Published in the journal Proceedings of the National Academy of Sciences , the result is the first to estimate broad-scale extinction patterns from climate change by incorporating data from recent climate-related extinctions and rates of species
  • How many people have ever lived on earth? - PubMed
    At the dawn of agriculture, about 8000 B C , the world's population was around 5 million By 1 A D , the population had reached 300 million, which indicates a growth rate of 0 0512% per year Life expectancy at birth averaged 10 years for most of human history The birth rate would have to be about 80 per 1000 just for the species to survive
  • Extinct Animals: Journey to the Past with Britannica
    Species ought to die off at the rate of one species in 10 million every year What’s happening is that species are going extinct at a rate of 100 to a 1,000 species extinctions per million species… We are the ultimate problem There are seven billion people on the planet We tend to destroy critical habitats where species live
  • Annual Reviews
    We would like to show you a description here but the site won’t allow us
  • World population projected to reach 9. 8 billion in 2050, and . . .
    The current world population of 7 6 billion is expected to reach 8 6 billion in 2030, 9 8 billion in 2050 and 11 2 billion in 2100, according to a new United Nations report being launched today
  • Bats - The Nature Conservancy
    There are 40 species of bats in the United States alone They can typically live more than 30 years and can fly at speeds of up to 60 mph Incredibly, bats can find their food in total darkness They locate insects by emitting inaudible high-pitched sounds—10-20 beeps per second— and listening to echoes
  • Benefits of Conserving Endangered Species | FEMA. gov
    A species is considered endangered if it is in danger of extinction throughout all or a significant portion of its range, and a species is considered threatened if it is likely to become endangered in the future (Endangered Species Act, 1973) There are approximately 1,775 species listed as threatened or endangered under the ESA





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