Mary Mazzoni

Based in Philadelphia, Mary Mazzoni is the senior editor of TriplePundit. She is also a freelance journalist with a passion for storytelling and sustainability. Her work has appeared in the Philadelphia Daily News, Earth911, the Huffington Post, Sustainable Brands and the Daily Meal.

Mary is a lifelong vegetarian with an interest in climate resilience, clean tech and food justice. You can contact her at


3p Weekend: 10 Stores Staying Closed on Thanksgiving and Black Friday

Over the past few years, we’ve noticed a pretty disturbing trend — retailers are opening earlier and earlier on Thanksgiving, in an attempt to lure shoppers from their tryptophan-induced comas with the promise of rock-bottom deals. But a growing number of forward-thinking companies are taking a stand against the overconsumption that has long held American Thanksgiving hostage.


3p Weekend: 5 Apps and Websites for Sharing Your Stuff

This year, before you max out the credit card buying items you (and the folks on your holiday list) may not really need, consider swapping and sharing with your neighbors instead. You can score cool new-to-you stuff for dirt cheap (or even free), rid yourself of items you no longer use and even help others in the process. Now, doesn’t that sound better than standing in line outside the mall at 2 a.m.?


Tech Titans: Community Citizens?

As companies continue to pressure Bay Area communities to build new office parks, they often fail to lobby for housing and transportation options to go along with it, placing a strain on local infrastructure. Additionally, more highly-paid residents means more shops, restaurants and trendy coffee bars — all staffed by employees who are quickly being priced out of the area. This perfect storm creates a heap of problems for Bay Area residents — as well as significant opportunities for government and the private sector to collaborate on solutions.

No. 3 on our list, the Hydaway is a water bottle that fits in your pocket.

3p Weekend: 8 Craziest Water Bottle Concepts on Kickstarter Right Now

For a creative solution to our nation’s bottled water problem, we turned to that ever-bubbling hot-spring of innovation, Kickstarter. The ideas may seem silly to some (why reinvent the water bottle, anyway?). But if it gets more people to switch from pre-packaged water to a reusable water bottle, we’re all for it. Read on for eight ideas that made us look twice.

During Climate Week NYC 2014, thousands took to the streets to demand climate action. Now, it seems companies are standing up to take notice.

3p Weekend: 60+ Companies Going All-In on Climate

Over the past few months, we’ve seen dozens companies roll out bold commitments to tackle climate change. And, as the historic COP21 climate talks in Paris approach, we’re likely to see a whole lot more. But this week we’re tipping our hats to the climate trailblazers: the leaders of the pack who aren’t waiting for government to mandate climate action, but are making moves now.

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Q&A: Recent Grad On How Education Can Kickstart a Social Enterprise

A little over a year ago, Adeyemi Adewole, a recent graduate of the Executive Masters in Sustainability & Leadership (EMSL) program at Arizona State University, found himself in a position many innovators know well: He had a great idea, but he wasn’t sure what it would take to get it off the ground.


3p Weekend: Your Cheat-Sheet to the VW Emissions Scandal

What exactly is the Volkswagen emissions scandal, and why is it such a big deal? Spend a few minutes consulting our cheat-sheet, and you’ll have all the information you need to keep up with those conversations at the water cooler.


ConBody: Sick Workouts with a Side of Social Justice

As Coss Marte, founder of New York City startup ConBody, puts it: When ex-cons leave prison, “that’s when the sentence really begins.” Formerly incarcerated people face a near-impossible job market and are often socially ostracized. But Marte is out to change all that with a simple idea: lead prison-themed workouts to help people get in shape, while changing their perceptions of formerly incarcerated people.


Zero to 100: Companies Double-Down on Climate Action

Adding to the growing momentum at Climate Week, five global companies pledged to achieve net zero emissions by 2050. It’s a goal they call bold but necessary if we are to limit temperature rise to 2 degrees Celsius.

Solar panels cover the roof of a Walmart store in Covina, California. The big-box retailer is one of nine companies to

Fortune 500 Companies Pledge to Go 100 Percent Renewable

Underscoring the buy-in of the business community on climate action is a bold commitment from a group of top Fortune 500 companies: to meet 100 percent of their electricity needs using renewable sources.


Company Commitments Roll In as Climate Week NYC Approaches

As world leaders prepare to convene in Paris to discuss an international climate agreement, a growing number of private firms are contemplating their role in a low-carbon future. Expect big announcements from the public and private sector at Climate Week NYC 2015.


3p Weekend: 10 Companies With Sensible Gun Policies

With the wave of violent gun crimes that have rocked the country in recent years, some companies are beginning to approach gun policies as a corporate social responsibility (CSR) issue. For these firms, allowing customers to openly carry guns inside their establishments can make the company appear complicit with its state’s lax gun laws.