An eye-opening photographic journey into the ever-changing world, Fragile Earth ($0.99, Universal) chronicles the before and after effects of man's impact, natural phenomena, and global warming on our environment. Using a slider to reveal the crazy differences between photos of the same locations around the planet taken in different years is amazing.

Looking for a safer way to clean your house without the use of toxic chemicals that can adversely affect your health? Earth Friendly Products Guide (Free, Universal) is a useful resource for learning about all the bad ingredients found in the cleaning products you use. There’s also a big list of more eco-friendly alternatives and a convenient built-in store locator.

Finding local organic restaurants, farmer’s markets, natural food stores, and green-minded establishments is a breeze with GreenEco ($4.99, Universal). More than a means of locating nearby goodies, this app doubles as a road trip planner, with cool features to track your expenses and lay out a route to make use of green services along the way.

Cutting back on energy consumption can help lessen the strain on both the environment and your pocket book. EnergySaver ($2.99, Universal) lets you profile energy usage across different areas of your household. From there, the pie charts, bar graphs, and lists help you analyze the data to determine how expenses break down and where you can cut back to save money.

If your desire for green living extends to travel, Green Travel Choice ($1.99, Universal) may be what you’ve been waiting for. All you have to do is plug in your starting point and a destination, and this app runs down the CO2 emissions and environmental impact of transportation choices. With the logbook, you can also track your long-term travel impact over time.

If you’ve got a stockpile of old stuff kicking around your household that you want to get rid of, iRecycle (Free, Universal) is a great alternative to throwing it away. Whether you have unwanted electronics, metal, paper, or other household items, this helpful app will bring up a map showing the nearest location where you can safely recycle or dispose of them.

Why not help reduce global warming by stocking your cupboards and closets with as many eco-friendly items as possible? Buy Green Products ($2.99, Universal) makes it easy, with its wide-ranging searchable index of both consumer and industrial products that have been approved by the EPA and carry the official “Designed for the Environment” label.

Providing a better understanding of what a carbon footprint is and what it means for the environment, the VES CO2 Tool HD (Free, iPad) lets you calculate your greenhouse gas emissions both at home and in the office. More than just a calculator, this app also provides information on best practices for reducing your carbon footprint and lets you track your progress.