Events

Markham Arboretum will be participating in the Bringing Back the Native Tour. Come by and pick up some plants for your garden.The sale is from 10 am - 5pm

Join us for a free talk from 11 am - noon

A FREE Worm Composting Workshop will be offered at the Kensington Community Center on Saturday, May 5, 2018 from 10:00 am to 12:00 pm.

You will learn how to make your own worm compost. Vermicomposting (“vermi” is Latin for “worm”) is the process of us

In partnership with The Last Plastic Straw, a movement aimed at reducing plastic straw usage worldwide, we are asking businesses and individuals to join us in reducing, and ultimately eliminating, our community's straw consumption. Why is this import

Drip irrigation is a fabulous way to save water, effort, and improve the health of your edible and ornamental landscaping. And yes, drip systems can be be really simple! Landscaper Seth Wright demystifies drip irrigation, so you can enjoy a hassle-fr

Join Ryan Penn on a small group tour of the glories of the Markham’s Australia section of the International Garden.

http://markhamarboretum.org/events/australian-spring-tour/

Come celebrate EARTH DAY!

Mt. Diablo Resource Recovery, a Garaventa Company, is hosting its 6^th Annual Family Earth Day event! New this year is a Jumpy Houses, Cart Races, Food as well as the tours, trucks and art activities! Come stop by anytime bet

This is your opportunity to join with family, friends and other community volunteers to make a difference in your hometown! Each location has a signup area and is the distribution point for you to receive instructions, pick-up clean-up supplies (glov

Join the City of Concord along with your friends, family and neighbors as we clean up our community and celebrate our planet! 

Saturday, April 21st 
8:00a-12:00p
Hillcrest Community Park (check-in tent near playground)

Projects will include:
* Tree plan

Lose Your Lawn and Get a Garden – Lawn Conversion Workshop

This inspiring and informative one-day workshop is designed for homeowners interested in replacing their water-thirsty lawns with beautiful water efficient landscaping. Experts will provide a

Thousands of heirloom tomato and other vegetable plants will be on sale at the 7th Annual Great Tomato Plant Sale, Heirlooms of the World.  Don't miss it!  Here's what's in store...

What makes the Great Tomato Plant Sale so special?
We base our selec

The Contra Costa County Historical Society is hosting a free scanning event. Bring your photographs, negatives, letters and over-sized documents to the Scan-a-thon to be considered for possible inclusion into the County database.

Scanning technicians

Are you thinking about keeping bees? Or perhaps you just want to know more about these miraculous garden helpers and how to encourage them to visit your yard? Jan Pinkerton-Spieth, our expert from the Mt. Diablo Beekeepers' Association, teaches us ab

Competition is supposed to be healthy -- a source of prosperity. It's the American way. So when rooftop solar began competing with established utilities in Nevada, why did the state government move to quash it?

Saturday Night Live's Cecily Strong tr

Lose Your Lawn and Get a Garden – Lawn Conversion Workshop

This inspiring and informative one-day workshop is designed for homeowners interested in replacing their water-thirsty lawns with beautiful water efficient landscaping. Experts will provide a

Join us February 24, 2018 to participate in a jam-packed day of fun and interactive sessions with youth from all over the nine Bay Area counties. Come and learn from other teens on ways to collaborate/share ideas on sustainability and climate solutio

The Air District is holding four workshops in refinery communities to discuss air monitoring near these large industrial facilities.

The Air District Board directed staff to work with communities near refineries to implement community monitoring.

“Th