Robyn Purchia

More than 100 volunteers took part in the 13th annual Presidio Planting Day, planting more than 2,800 native plants in the Tennessee Hollow Watershed. (Courtesy Dan Friedman)

Presidio habitat restoration effort plants seeds of hope

El Polin Spring was bubbling last Saturday with 133 volunteers ready to…

More than 100 volunteers took part in the 13th annual Presidio Planting Day, planting more than 2,800 native plants in the Tennessee Hollow Watershed. (Courtesy Dan Friedman)
A fisherman sells live Dungeness crab in Half Moon Bay  during the 2016 season. (Courtesy photo)

The news is not all good when it comes to this year’s Dungeness crab season

Joy to the world! San Francisco’s markets and menus are stocked with…

A fisherman sells live Dungeness crab in Half Moon Bay  during the 2016 season. (Courtesy photo)
Too many holiday presents hurt the environment. Saturday’s zero waste holiday market will provide more eco-friendly gift ideas. (Courtesy photo)

Consider the environment when you buy gifts this holiday season

Many San Francisco parents were grateful for the rain last week and…

Too many holiday presents hurt the environment. Saturday’s zero waste holiday market will provide more eco-friendly gift ideas. (Courtesy photo)
For months, members of the Episcopal Diocese of California, which covers the San Francisco Bay Area, have grappled with how to lower their environmental “foodprint.” (Courtesy photo)

Struggling with the responsibility to reduce our ‘foodprint’

Tomorrow is a chance for San Franciscans to express gratitude, not only…

For months, members of the Episcopal Diocese of California, which covers the San Francisco Bay Area, have grappled with how to lower their environmental “foodprint.” (Courtesy photo)
The outline of a mobile homes is all that remains in the Ridgewood Mobile Home Park in Paradise, Calif., where a team recovered one victim on Monday, Nov. 12, 2018 as the search continues for victims of the Camp Fire. (Carolyn Cole/Los Angeles Times/TNS)

Wildfires underline need to diversify California’s water supply

Fast burning fires, aided by strong, east winds and low humidity, devastated…

The outline of a mobile homes is all that remains in the Ridgewood Mobile Home Park in Paradise, Calif., where a team recovered one victim on Monday, Nov. 12, 2018 as the search continues for victims of the Camp Fire. (Carolyn Cole/Los Angeles Times/TNS)
In Copenhagen, more than half of the bike commuters are women, but in San Francisco, female riders face challenges to being green. (Courtesy photos)

New S.F. study opens door to exploring gender differences in environmental policies

Some San Franciscans remember a life in the 1950s before our “throwaway…

In Copenhagen, more than half of the bike commuters are women, but in San Francisco, female riders face challenges to being green. (Courtesy photos)
Courtesy photo

S.F. needs a can – do attitude toward creating a public bank

Two years ago, unarmed protesters of the Dakota Access oil pipeline were…

Courtesy photo
“It’s a really tricky situation, the scarier you make climate change the more people freeze.” (Courtesy photo)

Only thing scarier than climate change report is not acting on it

As Halloween approaches, San Franciscans welcome scary decorations, movies and haunted houses.…

“It’s a really tricky situation, the scarier you make climate change the more people freeze.” (Courtesy photo)
Robert Louis Stevenson Elementary School students give tours of their new stormwater garden at the school in the Sunset District on Wednesday, Oct. 10, 2018. (DavÌd RodrÌguez/Special to S.F. Examiner)

Diversifying San Francisco’s water supply

Last week, students at Robert Louis Stevenson Elementary School celebrated a more…

Robert Louis Stevenson Elementary School students give tours of their new stormwater garden at the school in the Sunset District on Wednesday, Oct. 10, 2018. (DavÌd RodrÌguez/Special to S.F. Examiner)
Supervisor Aaron Peskin, center, met with the local chapter of the Surfrider Foundation last week to discuss diminishing the use of plastic to-go containers in The City. (Courtesy Robyn Purchia)

Peskin talks trash at Surfrider meeting, promises new plastic ban

San Francisco Supervisor Aaron Peskin delivered a glimmer of hope last week…

Supervisor Aaron Peskin, center, met with the local chapter of the Surfrider Foundation last week to discuss diminishing the use of plastic to-go containers in The City. (Courtesy Robyn Purchia)
Recommendations to shore up Ocean Beach are getting closer to reality. Courtesy/Bill McLaughlin

Help for Ocean Beach may be near

While Bill McLaughlin and other San Francisco surfers always enjoy the powerful…

Recommendations to shore up Ocean Beach are getting closer to reality. Courtesy/Bill McLaughlin
Thanks to two San Francisco men and others, these shipping containers in Niger will be outfitted as incubators for the endangered North African ostrich. (Courtesy Peter Retonado)

Two workout pals work to save endangered ostrich species

Stephen Gold, a San Francisco contractor, and Henry Cundill, a recent business…

Thanks to two San Francisco men and others, these shipping containers in Niger will be outfitted as incubators for the endangered North African ostrich. (Courtesy Peter Retonado)
California's transportation infrastructure and land-use policies are creating a system where too many people are commuting by car too frequently. (Mike Koozmin/S.F. Examiner file photo)

If you want to address climate change, clean up the air

Like climate change itself, recent environmental news from throughout the country can…

California's transportation infrastructure and land-use policies are creating a system where too many people are commuting by car too frequently. (Mike Koozmin/S.F. Examiner file photo)
San Francisco Mayor London Breed takes the stage Wednesday at the start of the Global Action Summit. (Robyn Purchia/Special to the S.F. Examiner)

A city can thrive and be sustainable, Breed tells global leaders

As powerful Hurricane Florence headed toward the east coast of the United…

San Francisco Mayor London Breed takes the stage Wednesday at the start of the Global Action Summit. (Robyn Purchia/Special to the S.F. Examiner)
About 30,000 people participated in Saturday’s climate march in San Francisco. (Courtesy Robyn Purchia)

Gov. Brown, keep oil and gas in the ground

During a heat wave last year, the night-time temperature in Amanda Senior’s…

About 30,000 people participated in Saturday’s climate march in San Francisco. (Courtesy Robyn Purchia)
Red and White Fleet’s Enhydra, scheduled for completion this summer, could be the first 700-passenger, lithium-ion battery hybrid vessel operating in the U.S. (Courtesy Red and White Fleet)

Contracts give San Francisco power to make a big climate impact

This month, San Francisco’s Red and White Fleet will launch the Enhydra.…

Red and White Fleet’s Enhydra, scheduled for completion this summer, could be the first 700-passenger, lithium-ion battery hybrid vessel operating in the U.S. (Courtesy Red and White Fleet)
Smart trashcans distributed throughout The City are a great addition to clean up efforts, but San Francisco can have more success. (Steven Ho/2017 Special to S.F. Examiner)

San Francisco’s trash gets help from tech

The plaza in front of the Ferry Building was packed last Sunday.…

Smart trashcans distributed throughout The City are a great addition to clean up efforts, but San Francisco can have more success. (Steven Ho/2017 Special to S.F. Examiner)
Department of Environment volunteers and paid youth from San Francisco Youth Works program with an ashcan at Dolores Park. (Courtesy Sunshine Swinford)

Ban the butts to flick toxic cigarette filters out of SF

From July to December 2017, San Francisco kept 100,000 butts off the…

Department of Environment volunteers and paid youth from San Francisco Youth Works program with an ashcan at Dolores Park. (Courtesy Sunshine Swinford)
(Courtesy Robyn Purchia)

At SFO, zero waste means zero confusion

On Saturday afternoon, a visitor from Los Angeles stood perplexed at San…

(Courtesy Robyn Purchia)
Sadly, recycling isn't being done to the extent it should be at festivals and farmers' markets. (Courtesy photo)

SF’s farmers markets waste chance to compost and recycle

Almost every day, local farmers lay out tables of fresh produce for…

Sadly, recycling isn't being done to the extent it should be at festivals and farmers' markets. (Courtesy photo)