Google is a successful business because it wastes computer power--it has some 120, 000 servers powering its search engine--while it conserves its dearest resource, people.

FORBES: Ten Laws of the Modern World

For travelers and those on the go, Canon's new ECO Mode conserves battery life, allowing you to shoot more photos over a longer period of time.

ENGADGET: Canon PowerShot A2500, ELPH 330 HS, 115 IS point-and-shoots debut ahead of CP+

The new Cube comes with proprietary heatless print pad that conserves power compared to other 3D printers. 3D Systems is committed to making consumer 3D printing affordable safe and sustainable.

ENGADGET: 3D Systems second-gen Cube 3D printer boasts faster prints and more materials

Google (nasdaq: GOOG - news - people ) is a successful business because it wastes computer power--it has some 120, 000 servers powering its search engine--while it conserves its dearest resource, people.

FORBES: Ten Laws Of The Modern World

Just as fever (which is also controlled by cytokines) creates an environment hostile to the reproduction of bacteria and viruses, so lethargy conserves energy that can be directed to building up the immune system an extremely demanding task.

ECONOMIST: Fatigue: Killing time | The

With the goal of uniting conservation, communities and sustainable travel, TIES is dedicated to promoting ecotourism, which is defined as "responsible travel to natural areas that conserves the environment and improves the well-being of local people" (TIES, 1990).

CNN: The International Ecotourism Society statement

The emphasis: technology that conserves energy.

FORBES: The thinker