Eco Green Wallpapers ($0.99)

Declare your allegiance to Mother Earth and join the fight to protect her with these cute wallpaper apps by pop art studio Puffy P.

This app helps you find the right eco-friendly light bulbs to use at home or in your office, and allows you to order the bulbs right from the phone.

Find the most efficient way to grab a coffee, pick up your dry cleaning or buy groceries for dinner, whether by walking or driving the quickest way.

Stay up to date with the latest environmental news with this app, which offers a scrolling feed of eco-reporting from various sites.

Search for alternative fuel stations for compressed natural gas, biodiesel, electric, hydrogen and others across the United States through a clean interface with station details and contact information.

This app makes it easy to find recycling locations in your area, complete with a list of materials accepted and site information like operating hours and directions.

For those with a SunPower solar power system, this app allows you to monitor in real time your savings and other statistics from the installed system.

Take advantage of more than 100 projects developed in collaboration with a LEED (Leadership in Energy & Environmental Design) accredited professional to reduce your energy footprint.

Defend the planet from invading alien forces—OK, so maybe it’s not as productive as recycling, but it’s probably more fun.