Latest Articles

Is this the magic compost bin of your dreams?

The CompoKeeper promises to be the Tesla of compost bins.

Frackers are flushing radioactive waste into rivers

Duke University researchers discovered radioactive isotopes at alarming concentrations in a creek where fracking wastewater is dumped.

The real lesson from the flaming Tesla video

It's hard for companies to stake their success on radical innovation.

Taxpayer subsidies helped Tesla Motors, so why does Elon Musk slam them?

Silicon Valley has always relied on the government to jump-start innovative businesses -- no matter how much it clings to the go-it-alone narrative.

The Power of Multi-Day Walks and Rides

Over the last two years, as part of my work on the climate crisis, I’ve been part of two multi-day bike rides and two multi-day walks, all of which were valuable in a number of ways. The two bike rides were the five-day, 300 mile, NYC to DC Climate Rides in 2012 and 2013, and […]

Say goodbye to Yosemite’s largest glacier

Yosemite National Park's largest glacier could disappear within 20 years, robbing the park's ecosystems of a steady water supply.

There’s a secret library in the New York City subway

Looking for something to read on your commute? If you take New York's 6 train, you're in luck.

Tar Heels Continue to Pressure School to Divest

If you’re like me, you’re looking for some positive news as the government shutdown and stalemate continues to affect millions of Americans. Let me help – check out the inspiring students of the University of North Carolina Beyond Coal team. Recently, after two years of pressure, the UNC Board of Trustees’ Finance and Infrastructure Committee […]

This whale stuck by her trapped friend while rescuers freed her

When humpback whale Foggy was caught in ropes and fishing lines, her friend Grommet never left her side.

This amazing 81-year-old still bikes 30 miles a day

Bikes can be for families. They can be for pregnant ladies. And they can even be for octogenarians.