There Is A Real Danger That Computers

If Time Travel Is Possible, Where Are The Tourists From The Future?

If Aliens Visit Us, The Outcome Would Be Much As When Columbus Landed In America, Which Didn't Turn Out Well For The Native Americans.

However Difficult Life May Seem, There Is Always Something You Can Do And Succeed At.

Nothing Cannot Exist Forever.

One Can See From Space How The Human Race Has Changed The Earth. Nearly All Of The Available Land Has Been Cleared Of Forest And Is Now Used For Agriculture Or Urban Development. The Polar Icecaps Are Shrinking And The Desert Areas Are Increasing. At Night, The Earth Is No Longer Dark, But Large Areas Are Lit Up. All Of This Is Evidence That Human Exploitation Of The Planet Is Reaching A Critical Limit. But Human Demands And Expectations Are Ever-increasing. We Cannot Continue To Pollute The Atmosphere, Poison The Ocean And Exhaust The Land. There Isn't Any More Available.