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Checkpoint- week 8 - draining lakes below The entire cycle...

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Checkpoint-week 8 What is the current estimate of the worldwide human population at this moment? Describe how this number is changing moment-to-moment, day-to-day, and from one year to the next. World population as of 07/01/11 is: 6,928,198,253 This is the rate of change for 2011: Natural Time unit Births Deaths increase ------------------------------------------------- Year 132,697,074 56,260,324 76,436,750 Month 11,058,090 4,688,360 6,369,729 Day 363,554 154,138 209,416 Hour 15,148 6,422 8,726 Minute 252 107 145 Second 4.2 1.8 2.4 Describe how the human population growth issue has and will impact the ecosystem. The effect of human overpopulation is already devastating to the ecosystem of planet Earth. Rainforests are disappearing, deserts are growing, rivers are being dammed - creating unnatural lakes above and
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Unformatted text preview: draining lakes below. The entire cycle of erosion and deposition is being interrupted; species are being hunted, polluted or starved into extinction. Every organism breeds to the carrying capacity of its ecosystem. So far, humans have been able to manipulate the total earth ecosystem enough to continue to over reproduce. There will be an end to that overproduction at some point in time. When that point arrives, disease and starvation will decimate the human population the same way it does the populations of other over-producing organisms. http://www.census.gov/cgi-bin/ipc/pcwe http://www.census.gov/ipc/www/popclockworld.html...
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  • Spring '11
  • World population, 11,058,090 Day, 15,148 6,422 8,726 145 Minute, 132,697,074 56,260,324 4,688,360 76,436,750 Month, 252 107 Second, 363,554 154,138 Hour

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