JATROPHA FOR BIOFUELS

Does Jatropha risk a backlash from public opinion? Jatropha proponents have justifiably been promoting its benefits as a sustainable source of oil crops for years, but from the agro-business side it seems to be evolving in the opposite way: monoculture, hurting biodiversity, causing deforestation and competing for land with food crops.

PICKING THE RIGHT SOLAR INSTALLER

Federal and state rebates can save you as much as 50% on your total cost, so it is important the company is taking every advantage of available rebates.

PIT POWER TOWER

This article presents the novel combination of a Pneumatic Power Tower and Solar Power Tower in an Open Pit Mine: called a "Pit Power Tower" (PPT).

SOLAR WINDOW FILM IN NEW YORK CITY

The new generation of clear solar control window films offer different choices, featuring the ability to block solar heat without blocking the sun's natural daylight. The best among them are those offering true Infrared Reflectance, using Southwall Technology's "heat-mirror" technology to ensure that solar heat is reflected away from the window and not absorbed into the building or the window glass.

THE FUTURE OF EVACUATED TUBE TECHNOLOGY

The media, policymakers and even those in the industry have let evacuated tubes languish as a mere cousin to solar electric.

THE TRUTH ABOUT AN ENERGY EFFICIENT HOME

There has been a lot of progress made recently in improving energy efficiency, but it's important to look at the process and your house as a whole - an improvement in just one area of your home will not necessarily work.

WATER CONSERVATION

How many of us defrost frozen meat with running water instead of letting it thaw in the fridge? How many times do you use the hose to sweep off the driveway when a broom can be just as effective?

A DAY AT SOLAR POWER 2008

After several weeks of economic doom and gloom in the news we walked into a room full of squeeky new booths full of optimistic and excited people showing and talking about a new world where responsible companies lead the way to a renewable energy future. How refreshing is that!

A SOLAR OPTION FOR HOME COMFORT

The single solar panel provides dc power to assist the fan that moves air across the outdoor coil, a key part of any home comfort system. The fan has an ac motor for normal operation and a special dc motor that assists whenever sufficient sunlight is available.

ALTERNATIVE FUEL FOR AVIATION

The aviation industry produces only about one-ninth as much carbon dioxide as motor vehicles do. However, environmentalists are vocal about emissions from aviation, because they tend to go into the upper atmosphere, where some scientists say the impact is greater.

BRAND MESSAGING

There is a rule in communications: If you don't manage your message, someone else will. Each day people throughout your organization have conversations with a variety of people outside the organization.

DATA LOGGERS FOR GREEN BUILDING PROJECTS

Data loggers can provide valuable information for nearly every aspect and scale of green design. For example, a facilities manager can monitor temperature in a fifteen-story office building over the summer to check whether the fans in the building's cooling tower need adjustment.

MARC GOTTSCHALK - CLEAN TECH OPEN

Our core activity is a series of annual regional business plan competitions for cleantech startups looking for a jump-start in bringing their products to market.

MR. OBAMA - PLEASE MEET MR. PIGOU

Basically, Pigouvian taxes would tax the things we do not want in our society, like toxins and greenhouse gases, and NOT tax things we like in society, like employment and housing. For example, when coal power plants emit traces of mercury, we should not tax the power produced, but the harmful mercury emitted.

NATIONAL AFV DAY ODYSSEY

With a total of 90 special events held throughout the U.S. and Canada, National AFV Day Odyssey events served as a voice to deliver the message about the importance of alternative fuel and advanced technology vehicles to a populace feeling the crunch of higher pump prices and worrying about the impacts of traditional fuel sources on the environment.

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Kipp & Zonen - Smart SMP Pyranometers

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