Clean greens: AeroFarms focuses on spreading soil-less farming

For many people, it’s difficult to believe that aeroponics — a type of soil-less farming featured in old episodes of Star Trek — is not science fiction. 

You'd Never Know He’s a Sun King

David Gelbaum has quietly poured nearly $1 billion into environmental companies and causes. He advocates...

Contrarian investors embrace early-stage technology risk

With a contrarian investment strategy that targets early stage risk and emerging clean
technology innovation, David Anthony’s 21Ventures aims to provide an antidote to a
struggling venture capital sector.

Solar EnerTech Enters Into Sales Contract With Australian Firm

Under the agreement, Aussie Solar Installations will distribute Solar EnerTech's modules in Australia. Solar EnerTech's total shipment to Aussie Solar amounts to approximately $26 million, which the company plans to deliver before the end of this year.

Solar EnerTech in $26M Australia deal

“We are delighted to be fulfilling one of our largest orders to date to Australia,” said Leo Young, CEO of Solar EnerTech. “This new contract is a reflection of the improved business environment as we’re seeing more customers place orders with us based on our high quality, customized products.”

An Open Letter to the President, Encourage Green Innovation Don’t Destroy It

"Cleantech needs as much venture capital support as it can get. It is an emerging industry aimed at solving the biggest problems such as climate change and our dependence on foreign oil. Cleantech needs as much venture capital support as it can get. It is an emerging industry aimed at solving the biggest problems such as climate change and our dependence on foreign oil."

Aerofarms urban agriculture system - less space, less water and no pesticides

Aeroponics requires less space, less water and no pesticides and the AeroFarms system takes things further by using LEDs in stacked units to maximize efficiency and use of available space.

Solar Goes Modular: GreenRay Raises $2M

The Quercus Trust and 21Ventures said Wednesday they have invested $2 million in Westford, Mass.-based GreenRay, which is pairing solar panels with its microinverters to create AC solar panels.

BioPetroClean Cleans Up With Dow Deal, To Raise About $10M

Industrial wastewater treatment technology company BioPetroClean scored its first big partnership in the form of a distribution deal with Dow Chemical Co.

Dow Signs Distribution Agreement with BioPetroClean

"This is our first major agreement, though we have agreements with some local dealers in different countries," Biopetroclean CEO David Amir said.

Wastewater: Dow Chemical Licenses BioPetroClean’s Tech To Gobble Up Oil

In fact, the technology is so effective that $57.5 billion industry giant Dow Chemical just announced a global commercial agreement whereby it will market and distribute the Dow-BPC Water Treatment System internationally.

The Daily Start-Up

Clean technology-focused venture fund 21 Ventures doesn’t plan on entertaining offers for acquisitions of portfolio companies for another two years, the firm tells Reuters. “The economy is not going to recover fast enough and prices are too low,” said David Anthony, managing partner of 21Ventures. “I will feed the companies that can survive and kill the companies that I don’t think can make it in two years.”….

Advanced Telemetry gets infusion for wireless energy-management dashboard

The San Diego company’s lead product is a wireless panel called the EcoView that classifies energy consumption in a building as low, moderate or high.

Quercus Ups Stake in Energy Management Startup Advanced Telemetry

San Diego, Calif.-based Advanced Telemetry plans to use today’s Series B investment to ramp up production and “expand sales channels” for both the commercial and residential versions of its EcoView product.

What Makes a Green Home

This is the question: What do you consider to be the single most important factor in determining if a home is 'green?' 

According to the results of a study performed by Synovate and commissioned by FreeGreen American homeowners collectively feel that in terms of a home's greenness, energy efficiency and environmentally friendly materials rank higher on the list than healthy materials and location.

Break Down the VC Barrier

Landing investors takes a lot of persistence and a little luck. Here's how these entrepreneurs did it.

A Spark for Clean Energy Companies

GreenRay Inc. of Westford, Premium Power Corp. of North Reading, and Spire Semiconductor LLC of Hudson, N.H., are among the companies nationwide sharing $2.3 billion in tax credits announced last month by President Obama.

Modular SunSine solar panels from GreenRay will generate AC power

Solar power start-up GreenRay Inc. has developed the SunSine AC “solar appliance” that integrates the complex components of conventional solar power systems into modular, plug-and-play panels for easier installation, reduced cost, and increased safety.

Vertical Farming in Masdar City? AeroFarms’ Soil-less Solution

Aerofarms’ stackable vertical farm uses mist to grow crops in areas where land is non-arable, like in the United Arab Emirates.

Zero Liquid Discharge Installation is the First Permit-Free Chromium Plating Operation

CASTion Corp. designed and implemented a Controlled Atmosphere Separation Technology (CAST) system to reach these goals.

What’s the Driving Force Behind China’s Great Green Leap Forward?

The Chinese economy is looking increasingly mighty these days. With most of the world still reeling from the global financial crisis, China shows no signs of slowing down. And, despite charges of obstructionism at last year’s Copenhagen climate summit, the People’s Republic is steadily taking the lead in cleantech and the green economy as well.

Urban agriculture firm seeks $5 million to grow team

Aero Farm Systems LLC (AeroFarms), based in Ithaca, NY, has developed a unique aeroponic growing system capable of growing produce without soil and without sun, all year round and in any indoor location.

They offer virtually free house plans online

Free - or nearly free - house plans are available on the Internet from companies on each coast and may be the next big thing in "building materials" for greener homes.

Taking Stock of Stock House Plans

FreeGreen turns the entire stock plan business on its head by giving away the plans. Like much on the internet, it isn’t a bad idea because so many get stolen anyways. At least this way they make money from customization and from specifying products from advertisers. More at TreeHugger: Free Green Turns House Design Business On Its Head and How Much Should Design Cost?

Future Farming

If the earth is to survive as a habitat for human beings and other animals, farming practices need to change considerably. If agriculture does not use soil at all, we could restore a large portion of the earth to its former state.

GreenRay lands $2M for affordable solar power

GreenRay Inc., the Lincoln startup developing affordable solar energy for the residential market, has closed on a $2 million Series A financing round. California’s Quercus Trust and New York’s 21Ventures co-led the round.

The New American Farmer

Who will feed the world in the future? Urbanites, according to AeroFarms’ Ed Hardwood.

Are Aeroponically Grown Foods Safer?

Controlled-environment agriculture is also a better method for the home gardener. Methods like aeroponics allow just about anyone to grow food indoors...

US start-up Greenray Solar appoints Mark Goodreau to lead global sales strategy

US solar start-up GreenRay Solar has appointed Mark Goodreau as vice president of sales and business development....

Exec has bright hopes for Entech Solar in Fort Worth

"The skylight product itself has the potential to make the company," Gelbaum said during what his staff called a rare interview for the publicity-shy Californian.

The Transition from Standard PV to AC Modules

"I firmly believe that reliability is far and away the single, most important attribute for a micro-inverter, and the key enabler for all the compelling advantages of the AC Module."

With CEO Role, Investor Gelbaum Persists With Renewable Focus

Crude oil containing sulfur, often in the form of hydrogen sulfide...

What’s the Driving Force Behind China’s Great Green Leap Forward?

The Chinese economy is looking increasingly mighty these days....