Clean Edge - The Clean-Tech Market Authority

Tom Konrad CFA Not many self-proclaimed Greentech experts know what they're talking about, and fewer can effectively make the case of Greentech inves...

John Petersen If EV evangelists have everything their way and lithium-ion battery developers can achieve their lofty cost and performance goals, your...

...and Why Not Invest in Oil Companies? Tom Konrad CFA The purpose of this series on peak oil investments has been to highlight companies outside th...

Tom Konrad CFA I missed Shimano (SHMDF.PK) in my recent list of bicycle and scooter stocks, but in many ways, Shimano is the best of the lot. Shiman...

John Petersen I love IPO registration statements because they have to provide full and fair disclosure of all material facts and forward-looking stat...

Filed under: Etc., EV/Plug-in, On Two Wheels, Green DailyMatthew Dieckmann, president of Santa Rosa-based Electric Race Bikes and known by friends and...

Filed under: Chevrolet, GM, GMC, Natural Gas, Green Daily Starting this fall, commercial fleet customers can opt to order their full-size GMC Savana...

Filed under: Hybrid, Honda, In The AutoblogGreen Garage Take off your rose-colored glasses, CRX fans 2011 Honda CR-Z - Click above for high-res imag...

Filed under: Etc. It wasn't all that long ago that barrels of oil cost around $10. One energy analyst quoted by CNBC, Peter Beutel, the president of...

Filed under: EV/Plug-in, GM, Tesla Motors As clever marketing response to General Motor's attempt to trademark the term "range anxiety," we have to g...

The debate, hosted by Toronto Greenhouse and moderated by yours truly, took place this evening. Please come back after noon on Wednesday for access t...

A new report from Friends of Earth is taking aim at several companies — including Canada’s Kimminic Corp. of Mississauga — for buyin...

I meant to review Joe Romm’s most recent book Straight Up a few months ago but didn’t really dig into it until I started research for my o...

My Clean Break column for this Monday acknowledges Home Depot for selling the first sub-$20 LED lightbulb for a standard household light socket. It wa...

Just had my first spin of a Mitsubishi i-MiEV today and quite enjoyed it. I’ve driven the plug-in Prius (retrofitted by Hymotion), the Tesla Roa...

In a sign of things to come for corporate activism, The Gap, Timberland, Levi Strauss and Walgreens have just joined Whole Foods and Bed, Bath and Bey...

In a last-minute race to the finish-line, the CEC has approved a staggering 2,800 MW (or 3 GW) of solar projects this month in California. Among th...

Solar industry powerhouse Sunpower Corp. is busy creating new green jobs in the renewable energy sector, the latest endeavor being a group of contract...

Following close on the heels of the U.S. Army, which just activated its first wind power project at the Tooele Army Depot in Utah, the U.S. Coast Guar...

Scientists from Saint Louis University in Missouri are reporting the development of a new class of biobased fuel cells, which could replace disposable...

I just read a very interesting article from Motley Fool on the oversupply of solar in the marketplace that is predicted in 2011. The article went on...

by Richard T. StuebiIn today's world, it's easy to claim being "green". You can recycle, you can drive a Prius, you can have solar panels on your hous...

By John Addison (8/25/10) original post at Clean Fleet ReportShell (NYSE: RDSA) and Cosan (NYSE: CZZ), one of the world’s largest sugarcane ethanol...

By Tom Rooney, CEO SPG SolarConservatives,  let's talk about energy. And why so many conservatives are so wrong -- so liberal, even -- on wind an...

by Richard T. StuebiI was recently forwarded an article by Amol Desphande, partner of the renowned venture capital firm Kleiner Perkins, entitled "Inv...

I'm not much of a web guy, but I'm terrifically impressed with Twitter these days. For one thing, after I posted a pretty critical take today on a boo...

Now that energy efficiency is all the rage in cleantech venture circles (note to cleantech VCs: don't pitch LPs on your firm being "differentiated" be...

Wondering what the general emotion of the cleantech venture sector is right now? The three posts I put up today (here, here and here) should paint the...

At Canaccord Genuity's very good sustainability dinner in Boston this week, I had an enjoyable conversation with CG's Marc Marano, a leader on their c...

S-1s are great.  You can't learn everything about a company from them, but you can learn a heck of a lot.  And when the company is pretty in...

Water. Most Americans think nothing of it. Turn on the faucet and we expect clean water to flow under good pressure at the temperature of our choosing...

Miguel Sebastian, the Spanish minister of Industry, recently announced his plans to cut the feed-in tariff for solar energy in Spain. His decision wil...

The Obama administration has proposed adding new labels to showroom vehicles that give letter grades based on their fuel economy and greenhouse gas em...

After years of delay, things are finally heating up for large-scale solar thermal power plants in California’s remote deserts. In the last month...

Fannie Mae and Freddie Mac have already put a halt to many state clean energy and energy retrofit programs affectionately known as Property Assessed C...

Startups might not be able to convince the FAA to try out a new, fuel-saving way to guide planes to their landings at airports around the country, but...

California state regulators have spent the last few years trying to revise a program that was meant to boost small-scale renewable energy generation b...

A vehicle data platform has finally emerged, and entrepreneurs, automakers and DIY-ers are increasingly tapping into it and using it to develop innova...

While electric vehicle maker ZAP has had its fair share of less-than-stellar press, we took a road trip up to Santa Rosa to check out what the company...

Dutch oil giant Shell and Brazilian ethanol giant Cosan sealed the deal Wednesday on a $12 billion joint venture to turn sugarcane into pump-ready fue...

It sounds like a good idea: Use electricity to compress air, stuff it in a tank and use the power expelled by the air's release to power a vehicle. Se...

Researchers at the University of Michigan have created a color filter that could boost the efficiency of LCDs, the power hog of all your gadgets, by m...

It looks like supply and demand is working out in the consumers' favor when it comes to lithium-ion batteries.  Production has been ramping up for th...

The U.S. Coast Guard has set a goal of a net zero carbon footprint for housing at their Southwest Harbor Base in Maine.  The base is using solar pane...

The US Environmental Protection Agency has released its new vehicle fuel economy labels which are proposed to replace the current vehicle labels start...

Bikes are quickly rising in popularity because of their green nature, but there's still at least one place where cars have the advantage: storage. Lug...

A project management class at Notre Dame university is experimenting with phasing out text books by loaning students iPads. The move is part of a year...

There are so many options out there that picking out a case for your iPhone or iPod Touch can feel like a daunting task. But if you're looking for som...

The city of Edmonton is beginning work on a project that will turn its landfill into a plant that can turn household garbage into biofuel. Constructio...

The problem with most air purifiers is that they look like air purifiers, which, in most cases, isn't particularly attractive. French designer Jean-Ma...

As August draws to a close, we face a somber, sobering anniversary. Five years ago, on August 29, 2005, Hurricane Katrina tore through New Orleans an...

Five years after Hurricane Katrina, one of the most striking problems in the recovery from the storm has been that states are exercising too much powe...

After Hurricane Katrina, New Orleans residents were scattered all over the country. Rebuilding our community was the most pressing — and most daunt...

In the southeastern Louisiana bayou parishes of Lafourche and Terrebonne, BISCO (Bayou Interfaith Shared Community Organizing) builds the voice and po...

Five years after Hurricane Katrina hit the Gulf Coast, much of our work at the Deep South Center for Environmental Justice has been focused on researc...

Exploratory drilling by a Scottish oil firm was halted after four Greenpeace protesters scaled the rig and suspended tents from its underside.

A tongue-in-cheek commercial from an antipollution group, already a hit on YouTube, delivers a message about what the city's pollution could portend.

An anatomy of the oil giant's media response to the Gulf disaster.

Exelon, which recently backed away from building new nuclear plants, announced that it was buying John Deere Renewables.

Homeowners who participated in a program that let them repay the cost of solar panels and other energy improvements through an annual surcharge on the...

Cisco and smart-meter maker team on communications system based on IP to connect everything from people's homes to power distribution equipment on the...

Garbage collector plans to offer organic gardening products made from expanded organic waste collection service.

The smart grid goes underground in Philadelphia, where a battery will store energy from regenerative braking, cutting power costs and earning revenue...

As automakers gear up for market push of assorted plug-in vehicles, it looks like Chinese and U.S. drivers will buy the majority of them, according to...

The proposed offshore wind farm in Massachusetts wins a legal victory that clears one of the last permitting hurdles for Cape Wind. However, another l...

I wrote this story for Grist, where it first appeared. The California Legislature has passed the nation’s first energy storage bill, which could...

photo: Sonoma County In The New York Times on Tuesday, I wrote about the latest nail in the coffin of Property Assessed Clean Energy, or PACE, program...

I wrote this story for Grist, where it first appeared. No one said transforming the century-old power system into a state of-the-art digital smart gri...

photo: PG&E I wrote this story for Grist, where it first appeared. It’s been a big week for Big Solar. On Wednesday, the California Energy C...

In Thursday’s New York Times, I write about a new guide to green products vetted by the city of San Francisco, which in 2005 instituted strict p...

The concentrated photovoltaic (CPV) market has been long on promise and short on results.  But there have been a few hopeful signs of late.Kleine...

Over the past few weeks, I've had a number of meetings with engineers, executives and investors and such, and I keep coming away with the same conclus...

Beware the sticker price. Propel Fuels, which wants to build 75 alternative fuel gas stations in California, unveiled one in Oakland yesterday, accord...

Recurve, the energy efficiency retrofitter and software developer, is getting a retrofit itself. The company has hired Andy Leventhal as its new CEO,...

"You can have a Model T in any color, as long as it's black."  The automotive world has come a long way since Henry Ford made this statement whil...

Good thing I took at least one physics class at university, because it’s helping me wrap my head around this one a bit. Here goes: The state o...

...

Environmental activist organization Greenpeace just won’t get off Facebook’s case for planning to invest in a data center facility that ha...

After a successful test in Australia, Fujitsu is launching a portfolio of green IT services that it says will help the average enterprise reduce its c...

If you’re confused about which of the carbon emissions management software applications might be appropriate for your company, it may interest y...

TIME: "We have wasted twelve months of precious time. We must have energy legislation without further delay." http://bit.ly/b4ARAe # Where are...

RT @HydrogenEnergy: #FF @GasWeldEdge @hydro52 @AirLiquidenergy @PVBlog @edgunther @Welding5794 @mysemicondaily @jeremymcnamara @FCBulletin # RT Thx &#...

@cuvaison the #Solar #PV tracker was not tracking the sun at the entrance to your Carneros estate. # RT @Stphn_Lacey: #FF #cleanenergy #solar @edgunth...

Dow Corning acquires a 49 percent stake in Bécancour Silicon. Leading Polysilicon manufacturers are lining up silicon metal supplies in anticipation...

RT Thx & #FF @chrisrbrown @CityChic_inSF @unenergy @FreeHotWater @SolarFred @jasonmorris @RickShort21 @jennkho @bromano @Solar_Sister # RT @Around...

In a recent [url=http://www.wired.com/magazine/2010/08/st_essay_windpower/]article for [i]Wired[/i] magazine, Marc Gunther[/url] looks at the question...

The Department of Energy's [url=http://www.eia.doe.gov/emeu/steo/pub/contents.html#Electricity_Markets]Energy Information Administration (EIA), a lead...

The big inside-the-Beltway news today is [url=http://www.politico.com/morningenergy/0910/morningenergy73.html]Senate Majority Leader Harry Reid's (D-N...

AWEA CEO Denise Bode has taken to the Internet to respond to the latest attack on wind from fossil fuel lobby-funded think tanks, filming a [url=http:...

[b]Guest post by AWEA Manager of Transmission Policy Michael Goggin[/b] We want to share with you a bit about the latest attack on renewable energy w...

Leave a comment below through the end of Friday, September 3, 2010, to be considered for this random book giveaway.* Jerry Yudelson is a green buildin...

Recently I had the opportunity to talk with Kevin Romano of SquallCo Development about his new website and modern green homes offered on Long Beach Is...

If Apple were to sell a homes, perhaps they would look something like this. The v100 Mod Box is a 10' x 10' x 10' cube made with green materials, stat...

Roughly 39 articles later, it's hard to believe it's September with the new season fast approaching. Last month, our most popular article on Facebook...

Planted in the middle of a new vineyard in Newberg, a small town in Willamette Valley, The Allison Inn and Spa is doing some amazing things in terms o...

A study on energy supply conducted by a German military think tank reports on the potential for serious consequences as oil production declines.

Join the forum discussion on this post The Saudi Arabia of Ethanol Iowa is to corn ethanol what Saudi Arabia is to oil. At present Iowa has the capaci...

Join the forum discussion on this post I am no economist, but bear with me while I try to explain why I think we are in for a very long and difficult...

Join the forum discussion on this post I am working on yet another project, due at the end of this week. Therefore, I haven’t had a chance to wo...

Join the forum discussion on this post There was a recent article in MIT Technology review called What’s Holding Biofuels Back? There is a relat...

If micro-inverters are the current craze in the solar industry, then solar energy monitoring systems will be the next big thing.    Mic...

Starting small takes the “pocket pain” out of solar power...

One way to look at the prospects for US new nukes is to consider this analysis of the potential effect of shale gas. According to the EIA, in the...

By now you may have seen some prototypes of the new-car fuel economy stickers on which the EPA is seeking public comment. The versions that prominentl...

This week a study on peak oil by a German military think tank was leaked on the Internet. The document shows that the German government is closely stu...

We've just reached the halfway point in the public comment period for ULE 880 - Sustainability for Manufacturing Organizations — the company-level s...

Today, a new sustainability standard for companies is being released for public comment: ULE 880 - Sustainability for Manufacturing Organizations, a p...

I recently posted a query on Twitter and Facebook asking a simple but vexing question: "Someone committed to the environment is called an environ...

It’s been exactly a year since Walmart’s historic launch of a Sustainability Index and other measures to assess suppliers and products and, remark...

I'm writing this en route home from Shanghai, where I've spent most of the past week touring, visiting, meeting, and experiencing this Asian megacity...

Networking giant Cisco and smart meter leader Itron have joined forces to deliver an IP-based communications platform to the smart grid market, but th...

Enerkem, a Montreal-based company which specializes in converting garbage into biofuel, just broke ground on a new plant in Edmonton, Canada. Accordin...

The biggest news this morning in Green: Is solar going down? — One venture capitalist is calling this the “sunset of solar venture capital....

Nissan is taking orders today for the Leaf, the first mass-produced, all-electric vehicle, but it’s only offering up 200 cars for December deliv...

Ceremonial handshakes offer photo opportunities the world over, and so it is with the arrival of the first running Volt range-extended electric car i...