Live: Compost Give-Away at the Saturday Berkeley Farmers' Market 
Bring your own container -- two buckets are suggested or large garbage bags. Please backyard amateur gardeners only and no professionals. Sponsored by the Berkeley Nutrition Coalition in cooperation with the Network for a Healthy California - a state program promoting healthy active families through the daily eating of fresh fruits and vegetables.
March 28, 10am-3pm
Saturday Berkeley Farmers' Market, Center St at MLK Jr Way, Berkeley
View coupon at EcoMetro.com

Eat: Vegetarian Cooking Class: Demystifying Tofu and Tempeh
Join Compassionate Cooks’ founder Colleen Patrick-Goudreau, author of the Joy of Vegan Baking. In our popular tofu/tempeh class, you will learn the difference between silken, soft, firm, extra firm, and super firm tofu; discover the magic of frozen tofu; and learn the secret behind perfect tempeh! Cook up: Tempeh Pate, Cornmeal-Crusted Tofu Filets with Tartar Sauce, Tofu Parmigiana, BBQ Tempeh, No Bake Chocolate Peanut Butter Pie . $55 (in advance), plus $5 food/materials fee due on day of class (Discounts for registering for class packages.) Register online or mail a check to Compassionate Cooks P.O. Box 18512 Oakland, CA 94619.
March 28,10am-1pm
First Unitarian Church of Oakland, 685 14th St. at Castro
View Coupon at ecometro.com

Image: Flickr/CreativeCommons Live: Join Earth Hour
Turn off your lights for 60 minutes. Last year 50 million people worldwide participated in Earth Hour to make a positive statement against climate change and wasteful energy consumption.World Wildlife Fund is asking individuals, businesses, governments and organizations around the world to turn off their lights for one hour -- Earth Hour -- to make a global statement of concern about climate change and to demonstrate their commitment to finding solutions.
March 28, 8:30-9:30pm
Your home

Play:Messy Art Day @ El Cerrito Preschool Co-op
Come get Messy with us! El Cerrito Preschool Cooperative (ECPC) is proud to present Messy Art Day. Children are invited to explore colors, textures and a variety of media in a safe, fun and messy environment. Household objects and recycled goods will be used to make this day larger than life. Dive into shaving cream, build a giant robot, climb into a confetti tent and much more! This event is for children ages 2-6 years. Please wear clothing suitable for fun as you are sure to go home messy. Admission if free, but donations are welcome. For more information, please visit the website.
March 29, 10am-2pm
ECPC, 7200 Moeser Lane in El Cerrito

Live: Primitive Skills for Wilderness Survival: Boatbuilding, Fire Technology & More
For centuries, native people lived along the California Coast, honing their subsistence skills with a deep respect for the natural world. Today, few of us would know how to survive outdoors without the use of modern gear. Join TrackersBAY instructor Casey Nutt for a presentation on primitive skills, including traditional boatbuilding, fire technology, cordage and rope-making, animal tracking, understanding bird language and nature awareness. Come find out what it’s like to spend several days fishing and wandering from cove to cove, foraging for food, without matches and other modern amenities.
April 1, 7pm
REI, 1338 San Pablo Avenue, in Berkeley
View Coupon at ecometro.com

Go: Trails Challenge 2009 - Registration is now open
Last year, over 6,000 people participated in the Regional Parks Trails Challenge! The Challenge for 2009 is this: hike five of the 20 trails, or 26.2 miles, listed in the downloadable booklet by December 1 and receive a commemorative pin with the Trails Challenge logo and pick up a free organic cotton T-shirt at a Regional Parks visitor centers. Please click on the link to register for Trails Challenge 2009.