The Sierra Club San Francisco Bay Chapter offers hikes and outdoor recreation for people of all ages.  For a more complete listing of all Chapter outings and events see our Calendar. There are many more events on the calendar than it is possible to list on Meetup! Outings are conducted by the San Francisco Bay Chapter's Activity Sections and Regional Groups.  Activity Sections are organized around either an activity, such as hiking or backpacking, or a social theme, such as Sierra Singles.  No m …

Bioregionalism is a concept that goes beyond national boundaries, but rather is a political, cultural, and ecological system or set of views based on naturally defined areas called bioregions, similar to ecoregions. Bioregions are defined through physical and environmental features, including watershed boundaries and soil and terrain characteristics. Bioregionalism stresses that the determination of a bioregion is also a cultural phenomenon, and emphasizes local populations, knowledge, and solut …

Is Solar For You? Learn about "No Cost" and $0 Down Payment Solar Energy Programs as well as all the Federal, State and Local Incentives. NO SALES PITCHES! Let us use our group purchasing clout to create a community of empowered citizens that can exploit the latest solar technologies to power our homes and businesses and not just save money and energy but also make our own profits and implement programs such as free neighborhood electric cars! Who Should Join: HOMEOWNERS interested or cons …

Are you curious about and interested in environmentalism on the planetary scale? We want to understand the Earth's ecological systems -- from a non-technical perspective -- and the crises they are now undergoing.  We include climate change, species extinction, resource depletion, economic collapse, the collapse of civilizations, and the end of industrial society in our discussions.  We want to learn how we can live with global crises and support one another through the worst of times ahead since …

The Peninsula Regional Group (PRG) is one of 3 geographically-based sub-groups of the SIERRA CLUB's Loma Prieta Chapter. Our Chapter includes most residents who live in the Silicon Valley as it covers the area south of San Francisco to south of San Jose. When you join, you will most likely be assigned to one of 3 regional groups. Our group sponsors educational events such as screenings of award-winning documentaries, talks by experts, outings, and fun socials. Most important of all, we do adv …

Tiger conservation has gone high-tech. Using remote camera traps, software programs that identify individual tigers captured in photographs, and other cutting-edge tools, Wildlife Conservation Society researchers are making major strides in protecting these endangered great cats. To help us safeguard their most critical habitats, we’ve joined forces with tech pros who share our commitment, and need your support. Our mission is urgent: Fewer than 3,200 wild tigers exist in the world today. Of thi …

We're lively, sweaty folks from throughout the East Bay and beyond who get together pretty much every week to remove invasive weeds and replant native species in Redwood Regional Park, the Sausal Creek Watershed, Sibley and Huckleberry Regional Parks, and adjoining open space and wild lands throughout the Greater East Bay Hills Ecosystem. We help beautiful native plants and wildlife return to places from which they had been absent, get lots of fresh air and exercise in the process, and have grea …

#Cleanweb is about applying tech solutions to resource problems-- in energy, water, waste, transit, food, air, and other areas-- by taking advantage of the powerful trends in cheap computing power, mobility, data availability, and social graphs. Learn more at Cleanweb.co Anyone active in technology, design, entrepreneurship, and/or resource issues should join! We are organizing a project-based Cleanweb meetup and events in Palo Alto, Menlo Park, and Stanford, connecting to other Cleanweb commu …

Meet other local dumpster divers to discuss techniques for hunting and retrieving garbage gems and re-purposing them back into useful items. One block's trash is another man's treasure. Outside of some of the traditional activities, we may also meetup for beach cleaning events and things of that nature.

We are professional women working in the clean technology and sustainability space, from the entry level to the executive level. We meet once a month to network and learn the latest developments in the green movement from speakers and panelists. Topics covered include: renewable energy (solar, wind biofuel, etc), water, smart grid, biomass, carbon reduction, sustainable transportation, energy efficiency, sustainability, green buildings and many other technologies that aim to make our world a cle …

The San Francisco Chapter of the American Cetacean Society (ACS) supports the mission, vision, and values of the national organization: to protect whales, dolphins, porpoises, and their habitats through public education, research grants, and conservation actions. Whales, dolphins, and porpoises face more challenges today than at any other time in history. More than ever before, we must explore innovative, strategic ways to ensure the protection, safety, and welfare of cetaceans, and restore the …

This is a group for anyone interested in going green at the individual and group level via rapid prototyping of ideas. Let's learn by doing and sharing. We try to address two major questions in the context of every topic: 1. What can we do at a grassroots level to effect a positive change in our near neighborhoods? 2. What ideas can we implement to help influence larger bodies of the community and government? Our focus is on ideas that we can implement where we are and whose impact can be measur …

The purpose of this group is to network and create business connections and opportunities for social enterpreneurs and owners of green businesses. People who are part of this group can share ideas and connect for future business ventures.

We love to drink wine that matches our food interests (local, organically grown). If you want to explore this, please join us! Check out the blog at www.winecountrygeographic.com for more info.

Who am I.......at Source? We explore simple, profound, fun zen experiments to find out. These are based on Douglas Hardings' "On Having No Head: Zen and the Re-Discovery of the Obvious". I have been doing these experiments for 37 years----and still find them surprising!

A "weed" is just a plant out of place. "Weed Warriors" remove invasive plants that ruin wildlife habitat, increase fire danger, take over and crowd out everything else, or are otherwise bad actors in East Bay natural areas. "Friends of Five Creeks' Weekday Weed Warriors" remove harmful invasive plants in natural areas 10 AM - noon Tuesdays, at a different restoration site each week. Usually, work is followed by coffee and chat. Great way to stay fit and enjoy the outdoors and good company while …

Come join Sempervirens Fund docents on a free guided hike! Our expert volunteer docents lead hikes through the parks of the Santa Cruz Mountains and on lands currently owned and cared for by Sempervirens. Each hike has its own character and level of intensity. On a hike through the Lompico Forest, participants may walk through the depths of a steep redwood canyon in quest of the Lompico Creek headwaters or take a quiet river walk. A trip through the San Lorenzo River Redwoods will bring hikers t …

Ever thought about all the eco-waste that parties accumulate with plastic and other unfriendly materials? How about building a solar powered boat with your friends that you could share on the beautiful Bay? Would you play a scavenger hunt for recycle-able materials by only using public transport? Have you wanted to get a bunch of friends together to co-volunteer for a cause simultaneously? What if you could get rewarded for being the incredible eco-conscious and community-enthused person that yo …

This is a group for parents who are looking for a fun, peaceful, and encouraging environment for their children! We often encounter children who use violence as a source of entertainment, and for those of us who have chosen to avoid those sources, it can be hard to find like-minded friends to connect with. Children in The Peaceful Playgroup will feel comfortable and confident connecting with friends who desire an enjoyable, positive, and gentle social experience free of weapon-play, fighting, …

We hold drumming circles four times a year to come together to honor the season and to focus on healing for the community and the earth.

We hike in Marin, an outdoor paradise; where every hike may become your new favorite hike. With over 600 miles of trails, it's a hikers dream and local to the San Francisco Bay Area. An informative description of hikes will be posted when scheduled. Many hikes are chosen from "Hiking Marin" by Don and Kathy Martin. "Marin Hiking Meditation" is a hiking group in Marin California that combines hiking with meditation. Some of us have meditated for years, but most of us have little or no experience …

HumVeganity events are open to folks of all persuasions - omnivores, vegetarians and vegans. Some say HUMANity, we say VEGANity. What's the difference? Veganity is the vegan way of being human. It's not for all creatures - and perhaps not for all humans. But for those who embrace its delicious healthful bounty – through a variety of reasons including, health, morality, spirituality, environmental impact, animal welfare and animal rights – there are limitless benefits. Join us for delicious din …

Come learn various methods of healing including essential oils, herbs, Reiki, Huna & other energetic healing techniques. We welcome new techniques & teachers! We live in a very promising time. It is also a very challenging time. At least that’s how it looks like to us humans. It’s a time when the human spirit is triumphing and books are being rewritten. Love, sharing & the healing of our fellow man is becoming what is normal. The other side of this coin is a reality full of people who are hurti …