Human civilization has been changing the Earths environment for millennia, often to our detriment. Dams, deforestation and urbanization can alter water cycles and wind patterns, occasionally triggering droughts or even creating deserts.

It's remarkably easy to dig up enormous amounts of information about individuals, without their consent.

Nature stopped being natural decades ago.

The difference between e-mail and regular mail is that computers handle e-mail, and computers never decide to come to work one day and shoot all the other computers.

By ignoring tomorrow, we undermine today.

Nearly every communication method we invent eventually conveys unwanted commercial messages.

Everything we think about regarding sustainability - from energy to agriculture to manufacturing to population - has a water footprint. Almost all of the water on Earth is salt water, and the remaining freshwater supplies are split between agricultural use and human use - as well as maintaining the existing natural environment.