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Conserving energy at your office can be tricky because much depends on your building’s construction and insulation. But simple swaps in your workstation can shrink your carbon footprint.

For optimal efficiency, configure your computer to automatically enter sleep mode five to ten minutes after it is not in use (controls are usually found in the “preferences” tab). Sleep modes drastically decrease energy use. For example, placing a newer-model Apple desktop computer in sleep mode cuts power consumption almost in half. Also adjust your screen settings to a dimmer display. According to Energy Star, an EPA program, activating such power management tools can save $10 to $100 per computer in your office annually.

To power your cellphone, lamp and other electronics throughout the day, Energy Star also recommends using a power strip with an On/Off button or a “smart” function that turns on when it detects motion. Once your devices are powered to 100 percent, unplug your charger; it sucks energy from the wall even if your electronic is not actively charging. If you use an office lamp, swap out the incandescent lightbulb for an Energy Star–rated compact fluorescent bulb, which uses about 75 percent less energy and lasts longer. Finally, environmental awareness is contagious. Spearhead a “green team” in your office to educate your colleagues about environmental best practices—your company will likely welcome the eco-improvements.