Robyn Purchia

Diversifying San Francisco’s water supply

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

Peskin talks trash at Surfrider meeting, promises new plastic ban

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

Help for Ocean Beach may be near

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

Two workout pals work to save endangered ostrich species

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

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

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

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

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

Gov. Brown, keep oil and gas in the ground

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

Contracts give San Francisco power to make a big climate impact

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

San Francisco’s trash gets help from tech

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

Ban the butts to flick toxic cigarette filters out of SF

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

At SFO, zero waste means zero confusion

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

SF’s farmers markets waste chance to compost and recycle

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

Bay Area kids moving the needle on climate change

In July, the planet’s future looked grim. President Donald Trump nominated a…

Market for ethically dope cannabis grows in S.F.

It’s no secret San Franciscans appreciate dope dope. In the immortal words…

S.F. water agency opposes plan to save local salmon, cries ‘drought’

About 150 miles beyond the Bay lies the Tuolumne River. Many San…

SF can have an impact on food sustainability

This Independence Day, our country is facing deep and dangerous political divides.…

SF’s new hydrogen ferry could fuel clean energy market

Hydrogen has been the fuel of the future for decades. Two years…

SFMTA on the road to an all-electric fleet

Last Tuesday, a crowd of City employees (and one lucky columnist) hit…

The City is open to closing JFK Drive

Two years ago, this month, Heather Miller was killed bicycling through Golden…

The City is open to closing JFK Drive

Two years ago, this month, Heather Miller was killed bicycling through Golden…