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• How can I create "no impact"?

  Asked by Carly | 9 responses

• Can I wear white in Beijing China?

  Asked by Plone3000 | 7 responses

• Do you think business & corporations nowadays do more harm/bad things than good?

  Asked by niki | 14 responses

• What is a "bit of earth that is not salty"?

  Asked by LocoLuke | 9 responses

• Is it ethical to launch trash into space?

  Asked by Ltryptophan | 33 responses

• What is something you sacrifice for the greater good?

  Asked by erichw1504 | 8 responses

• Could war end?

  Asked by Hobbes | 44 responses

• What are you doing for Earth Hour on March 26, 2011?

  Asked by Plucky | 27 responses

• If you could make the world just a little bit lazier, what would you change?

  Asked by erichw1504 | 38 responses

• Is going to Mars and having an International Space Station really worth it-?

  Asked by mazingerz88 | 44 responses

• Is the center of the Earth really molten metal?

  Asked by Summum | 57 responses

• Will the changes to the earth caused by the earthquake affect GPS accuracy?

  Asked by manuel_alarcon | 10 responses

• Do geomagnetic storms affect planes?

  Asked by tan235 | 4 responses

• What would it be like if we never developed skyscrapers?

  Asked by GStClaire | 10 responses

• Do you consider humans part of "nature?"?

  Asked by ubersiren | 40 responses

• How well could all life on Earth, working together, defend the planet?

  Asked by Soubresaut | 22 responses

• Do you think Civilization will collapse within our lifetimes?

  Asked by Hobbes | 69 responses

• How do you explain to yourself why you're you?

  Asked by Soubresaut | 22 responses

• Are we overdue a mass population decline?

  Asked by Mat74UK | 26 responses

• Where would you like to live...and work?

  Asked by Hawaii_Jake | 31 responses

• We've made contact with other life in the universe. How did that contact happen? What are they like?

  Asked by Soubresaut | 14 responses

• What's the ideal population for the Earth?

  Asked by Aesthetic_Mess | 9 responses

• Will earths oxygen ever become impaired and a threat to human civilization?

  Asked by john65pennington | 12 responses

• How do you think we came to know about 'God'?

  Asked by gamefu91 | 123 responses

• What's the deal with this "Aflockalypse"?

  Asked by erichw1504 | 22 responses

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