After making his fortune with Idealab and a host of technology start-ups, Bill Gross has turned his attention to renewable energy. In an interview with Yale Environment 360, Gross talks about the solar power plant technology his company eSolar is developing and about the future of solar.

Bill Gross is not your typical solar energy entrepreneur. In a business dominated by Silicon Valley technologists and veterans of the fossil fuel industry, Gross is a Southern Californian who made his name in software. His Idealab startup incubator led to the creation of companies such as eToys, CitySearch, and GoTo.com. The latter pioneered search advertising — think Google — and was acquired by Yahoo for $1.6 billion in 2003.

That payday has allowed Gross to pursue his green dreams. (As a teenager, he started a company to sell plans for a parabolic solar dish he had designed.) Over the past decade, Gross has launched a slew of green tech startups, including solar power plant builder eSolar, electric car company Aptera, and Energy Innovations, which is developing advanced photovoltaic technology. (more…)

Whether you’re looking to share your expertise or just curious about the cleantech space, the CleanTechies Events and Conferences Calendar may feature a must-see event in your part of the world.

Among the highlights in the coming weeks:

• U.S.-Japan Clean Tech Symposium, Feb. 18, San Francisco, CA

What’s big in Japan’s cleantech sector? This four-hour session explores the state of the overseas market as well as ties between U.S. and Japanese companies. It’s organized bythe U.S. State Department and Japan’s trade ministry officials.

• Texas-Israel Cleanovation Conference, Feb. 22, Austin, TX

The launch of this conference promises to bring together some 200 attendees including from utility and clean energy companies, investors and technologists. Dr. Eli Opper, Chief Scientist of Israel, is among the keynote presenters. (more…)

At a factory in Wuxi, China, workers lift solar panels onto conveyor belts, while others in white lab coats move between machines as they check on a process for etching and engraving silicon wafers to form solar cells.

This scene in itself isn’t remarkable. But there is a new sort of excitement about the work. China’s production of solar panels has grown quickly in the past two years; it is it now the world’s leading exporter. When Matt Lewis, a representative of the California-based nonprofit ClimateWorks, visited the factory in October, he said it reminded him of his native Silicon Valley: The workers, even ordinary line workers, had a sense that they were part of building the future, the hot new industry.

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Tom Friedman spent most of 2009 beating the China-is-winning-the-green-race-drum, and he has started 2010 with the same focus.

In Sunday’s New York Times, the news side of the house joined their editorial page colleague, writing in a front page story that Chinese “efforts to dominate renewable energy technologies raise the prospect that the West may someday trade its dependence on oil from the Mideast for a reliance on solar panels, wind turbines and other gear manufactured in China.”

To his credit, Friedman’s push has been all about policy. He wants the United States to go all-in in a space-race-like push to match Chinese innovation in energy technology (“E.T.,” as he has glossed it). But, what has eluded his attention – and is absent again in Sunday’s news piece – is the recognition that in order to match Chinese innovation, the policy changes that would be required in the U.S. electricity markets would necessarily have to go far beyond decoupling, one of Friedman’s personal causes.

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Many green industry professionals and career changers are interested in clean tech conferences and alternative energy events. You can find many upcoming green tech events and clean energy conferences in the United States and worldwide in the CleanTechies Events Calendar, but how do you make the most out of your attendance? No matter whether it’s an event on energy efficiency, solar energy, wind energy, green building or sustainable transportation, there are a few things common to each that will help YOU make your participation a success.

Just in time for your next clean tech event or alternative energy conference, here are our tips:

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Thank billions in government funding for helping to lift clean technology investment in the third quarter, said the Cleantech Group and Deloitte in a report Wednesday.

The quarterly analysis reiterated that the recession has kicked but not killed investments in this sector, which remain down 42 percent from the third quarter of 2008. Biotech and IT combined receive less funding than clean tech, which continues its climb from the second quarter, the report noted.

“The two largest venture deals (Solyndra and Tesla Motors) and the largest IPO (A123Systems) this quarter were all recipients of U.S. government funding,” said Cleantech Group managing director Dallas Kachan in a statement.

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These are the days for clean tech observers and professionals. Our most innovative companies are finally bringing game-changing technologies to market and into competitive parity on cost. The political will that has been lacking for decades seems to be gaining critical mass. Even corporate America seems to be on board with making a profitable shift to a green economy.

Still, it’s not all rosy in the green tech picture. Getting climate change legislation through the house was a bloodsport and, as previously noted on the CleanTechies Blog, the Senate looks increasingly unlikely to put anything substantial on the President’s desk this year. And that is just the new policy. Around the country, existing policies designed to enable clean energy adoption are floundering, and even with all of the aforementioned momentum, in a down economy policy makers cannot afford too many false starts.

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Are we ready for a biobased industry? That’s the question the Biopolymer Symposium 2009 wants to address. The use of biopolymers is growing, and an increasing number of applications to commercialize these materials are on the market. Most biopolymers are found in packaging – food trays, blown starch pellets for shipping goods, thin films for wrapping – but they are also being used on the industrial side. Biopolymers are produced from biomass – such as sugar beet, potatoes or wheat – and have important environmental benefits: They can be biodegradable, renewable, sustainable, carbon neutral, and even compostable.

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Do yourself a favor by visiting NPR.org and downloading the first hour of the last Science Friday. A really intelligent discussion of the future of nuclear energy in the US ranged from the waste storage issue to microreactor technology to financing.

Even the geekiest of Green Nerds probably needs some time away from green tech talk a few minutes a day, especially with all the slop that is bombarding us these days at checkout counters, in brand campaigns and on the nightly news. So, I know the last thing you want to do is head out for that morning run, pop in the ear buds and have a clean tech podcast as your accompaniment; but, the conversation here – which included an MIT Prof and former DOE Under Secretary (Moniz), a NRDC egghead (Cochran) and a scientist – is worth your time.

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While Americans hang out with their families today (Memorial Day), it might make sense for them to think a bit about the men and women that have perished while serving their country… it is because of them that we are taking the day off to eat hamburgers, drink beer, and prepare for summer.

While I live in San Francisco, I’m not the typical sappy hippie environmentalist denizen envisioned by some; but I do feel strongly about clean energy. I know that it is an investment that is worth the return for this country, even if that return is only measured by fewer armed conflicts and fewer mourning mothers.

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