[DougWebb]

Skynet won't send terminators. It'll use invisible surveillance, and use automated control systems to gradually increase accident rates and pollute the air, water, and food supplies just enough so that death rates exceed birth rates. Skynet can afford to be patient.

[cthaeh]

That's already the case in most first world countries.

Most people theorize that's it's due to access to birth control and education, but what if it's a long ploy by someone to reduce human population?