Electric buses are a solution to our cities’ worst problems

A lot of news and noise surround electric cars but another vehicle is also benefitting largely from elecrification: buses. Running not for just a little bit in the morning and in the evening, they run all day, and sometimes, even part of the night. Tranporting not just one or two people to work at a… Continue reading Electric buses are a solution to our cities’ worst problems

Cleantech could help cities save $17 trillion

Smart infrastructure choices from cities worldwide would save them $17 trillion (15.2 billion euros) by 2050. The solutions – renewable energy, public transportation, energy efficiency – are not new but the lens of this new study is interesting. 

Announcing our Kickstarter campaign

I have the pleasure to announce you all that the biogas project I have been working with classmates this summer is now being funded on Kickstarter. After working in Colombia on large scale biogas projects, I have been lucky to work for the past three months with classmates from Pinchot University, Srirup Kumar and Joe McNulty,… Continue reading Announcing our Kickstarter campaign

Green and blue at the same time with Biosolar Roof

What I love about blogging is coming back to old posts with new developments and ideas. Years ago I was wondering what was the most sustainable : blue roofs (with solar panels) or green ones. Some people combine both ideas and this is a GREAT idea. 

From parking lots to parks

For this new chapter of my life – studying for my MBA in Sustainable Business at Pinchot University – I am living next to a parking lot and I have been wondering if the owners could just plant a few trees to make it look better. 

Hydrogen is ” an incredibly dumb ” car fuel

That’s Elon Musk’s opinion so that must be true. Tesla’s genius founder put yet another nail in the hydrogen coffin and stated what we knew all along : hydrogen is a technology that may well be too complex to ever be significant.

The Lima Minima : it’s up to us

This weekend the climate negotiations within the United Nations ended in Lima, Peru and most if not all media outlets are expressing their discontent and show how little real progress was achieved.

Climate change endangers Winter Olympics

As you know, the Russian city of Sochi is the host of the Winter Olympics since Friday. According to a brand new study, this might be the right time as it is most probable the city won’t be able to do so in the future because of climate change. According to the climatologists from the… Continue reading Climate change endangers Winter Olympics

Trees capture particulate pollution

Air pollution kills a lot of people around the world and the situation in some Chinese cities has become nothing short of unbreathable. Meanwhile, we have seen in my series ” Plant, baby, plant “ that trees can solve many related problems. To a new study from Lancaster University, trees can absorb half of particulates,… Continue reading Trees capture particulate pollution

Book review : Cradle to cradle

Inspiring : that’s the adjective that comes to mind as I have just finished reading Cradle to Cradle, by William McDonough and Michael Braungart. I had heard about that book for quite some time and I understand now why. The book  was written  in 2002 –with a 2008 reedition – and is replete with enlightening… Continue reading Book review : Cradle to cradle

Bike sharing is booming too

Last week I was reporting that biking is booming in cities around the world. Grist wrote about how bike sharing is an essential component of this phenomenon as they are more than 500 cities in 49 countries with bike-sharing programs. Collectively, they represent as many as 500,000 bicycles combined. This just might be the beginning… Continue reading Bike sharing is booming too