The Fishtown beaver is a good sign for Penn Treaty Park

Caretakers are now working to balance the rodents’ destructive chew with the environmental benefits of their dams.

Shop sustainable in Philly at East Passyunk’s new Good Buy Supply

The new shop offers environmentally friendly everyday products like soap, deodorant and laundry detergent.

Smog alert: Philly air quality is twice as bad as usual, thanks to the warm weather

Blame “temperature inversion” for the hazy sky.

Spotted lanternfly sightings are up 500% in PA compared to last year

Summertime brings the "nymph" phase of the invasive insect, a prelude to mature bugs this fall.

Art Museum’s ‘Oval’ to become permanent park, many other Philly public spaces advance

From the Schuylkill Crossing to Graffiti Pier, there's lots of progress planned for this year.

This is how much Philly’s big buildings are contributing to climate change

Which do you think has more impact, a sports stadium or a supermarket?

Holidays in Philly

22 photos of the sensational holiday light show at the Philly Zoo

If you want to add some sparkle to your Insta stories, get yourself to LumiNature — and bring the kids.

Someone keeps stealing my compost and I have no idea why they want my rotting food

Turns out I’m not the only Philadelphian dealing with a bucket thief.

Why can’t you swim in Philly’s Delaware River?

Risks aside, the water’s still much cleaner than it used to be.

Protestors rallied inside City Hall today against PGW’s proposed natural gas plant in Southwest Philly

PGW’s new $60M natural gas plant is one City Council vote away from breaking ground in Southwest Philly

Philly’s switch to burning half its recyclables gets some national coverage

They used to go to China, but are now incinerated, creating carcinogenic smog.

Where to recycle torn socks, ripped shirts, used shoes, old sheets and other worn textiles

Philly will feel like Memphis by 2080, per a new report

Tweet from @billy_penn

Starting in May, Pennsylvanians will be able to buy major brands in reusable containers via a company called Loop

Thanks for the air quality issues, polar vortex

Tweet from @billy_penn

Gov. Wolf’s aide eventually relented and let kids dressed as the Lorax deliver their climate change petition

Tweet from @billy_penn

Environmental activists and North Philly residents continue to protest SEPTA’s nearly completed gas plant in Nicetown

This Point Breeze corner looks like it could really use some street sweeping

Tweet from @damsphl

The shutdown may be threatening water safety by halting important sample tests, says a furloughed EPA hydrogeologist in Chestnut Hill