Space: Taking The Earth's Vital Signs

NASA seeks to become a major force in the campaign to save the planet

The dramatic photographs that appear in these pages were taken by astronauts aboard U.S. space shuttles. The pictures provide clear evidence that the earth is in grave danger as a result of human activity. Overpopulation, pollution and energy consumption have created such planet-wide problems as massive deforestation, ozone depletion and the global warming that is believed to be caused by the greenhouse effect. Yet these alarming trends, and how they interact with such natural phenomena as hurricanes and volcanoes, are still not fully understood by scientists.

Major help in studying the earth's environment is expected to emerge from a project being...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!