In-store offer only (not valid online) at Babies 'R Us: Buy any Earth's Best 1st & 2nd Organic Baby Foods 12 count value packs, and you'll get the second one free (an $8.99 value.)

derma e is offering a free 4 oz. anti-aging hand creme with coupon code TW2FB -- you only pay shipping of $5.95. Plus you get a $5 off coupon for your next derma e purchase. (The offer says for Facebook and Twitter fans only, but it's valid for all.) According to derma e, their products are free of parabens, phthalates, and sodium laurel sulfate, and are cruelty-free and 100% vegetarian.

Terra Trendz is offering a Buy One Get One Free deal on the Surf Joy series of Recycled Jewelry with blue confetti suspended inside clear glass. You can buy the pendant & earrings as a set or as individual pieces of jewelry; you can mix & match, of course. Add both jewelry pieces in the cart (make sure quantity says 2) & apply code JOY at checkout.

Rustle the Leaf is an environmental comic book character created by Dan Wright and Dave Ponce through funding provided by eco-friendly cleaning products maker Citrasolv. Elementary School Teachers: scroll down the page we've linked you to, and you'll see free downloadable classroom resources: Earth Day Activity Books, Posters, and Lesson Plan. Fun stuff!

Send Vers Audio your old iPod dock and they'll not only recycle it for you, they'll send you a $30 off coupon for your next purchase of a 1.5R or 2X sound system at versaudio.com. Vers makes hand-crafted wood sound systems for iPods using eco-friendly materials, design and packaging.

Sign up for the GreenIdeas Weekly Newsletter, and you'll receive a free copy of "The Green Living Guide -- a Guide to Home Water Conservation". This e-book provides tips, tools, and strategies for conserving water at home, including a list of water conservation resources by state.

Gazelle provides an easy way for you to sell and recycle electronics. When you sell them your old cell phone, mp3 player, laptop, e-reader, or other gadget, you'll earn cash and help save the environment by keeping old, used gadgets out of landfills. If your electronic item has no cash value, they'll recycle it for you at no cost.

Earth Fare Supermarket, a natural grocer with stores in AL, GA, SC, NC and TN, is offering a salad dressing swap. Trade in any bottle of salad dressing with high fructose corn syrup and Earth Fare will give you a free 8 oz. bottle of organic Earth Fare salad dressing.

Receive a free body balm from Nettiescrub (a $12.60 value) in your choice of four scents with any $50 purchase at Natural Luxe. Simply add your body balm to cart and use coupon code NETTIE at checkout. Nettiescrub bath and body products are handmade in Los Angeles and feature all-natural ingredients.

This free printable brochure from the Environmental Working Group lists shopping tips for buying safe cosmetic and skincare products, and a quick summary of chemicals to avoid. The Environmental Working Group also runs Skin Deep, a free searchable database of toxic ingredients in cosmetic and personal care products.

Sign up for a solar installation through Real Goods Solar and you'll receive $500 cash or a $1000 coupon to the Real Goods Solar catalog. California and Colorado only.

Part handbook, part coupon book, the SunriseGuide is a resource for learning about, supporting and living in a healthy and sustainable way in southern Maine. The guide is packed with tips, resources, and more than 165 valuable coupons for healthy and eco-friendly products and services.

The "Be Local Northern Colorado" guidebook promotes local, unique independent businesses and homegrown, one-of-a-kind products and services. The 2009-2010 features over 260 coupons, representing over $6000 in savings!

Buffalo First's mission is to build a local, green and fair economy in the Buffalo-Niagara region. Their Coupon & Shop Local book includes over $4,000 in savings at local, independent businesses in Buffalo and Western New York, plus a free guide on shopping local and green.

The Go Green Book is San Diego's first green and health-focused entertainment and savings book. The book features over $1,000 dollars worth of savings inside from local businesses.

The Green Savings Indy book offers $800 in coupons and discounts for products and services in the Indianapolis area. The book is published on an Earth Day to Earth day calendar, so the next edition will be coming out in April.

Purchase any one of Annie’s Homegrown or Annie's Naturals producta and you can get a free downloadable Picnic Resource Guide and access to online coupons from 14 companies, including organic food companies like Earthbound Farm, Applegate Farms, Organic Valley, and more.

EcoMetro books include coupons, maps, and resources for living green. There are EcoMetro guides for the East Bay, Silicon Valley, Denver, Portland, Seattle, and Twin Cities.

Looking to go solar without the high upfront costs or the maintenance headaches? SunRun offers a residential power purchase agreement (PPA) in California, Arizona, Massachusetts, Colorado and New Jersey. In a nutshell, it means that after paying a relatively small down-payment, you then only pay for the solar electricity you use, rather than the installation and maintenance of the solar panels. Full details can be found on the SunRun site.

If buying organic produce all the time isn't an option for you, Earthbound Farms' free handy Pocket Guide to Choosing Organics helps you prioritize so you can spend your dollars wisely. The guide shows you which conventional fruits and vegetables are most likely to carry multiple pesticide residues. Get a free download of the print version or a mobile version for your cell phone.