William F. Stewart is the author of Climate of Uncertainty: A Balanced Look at Global Warming and Renewable Energy, from Ocean Publishing. He is co-chair of the climate change and energy practice at Cozen O’Connor.

CleanTechies had four questions about his new book.

CleanTechies:  You promise a balanced look in your title, and you give the global warming nay-sayers a chapter.  Why do you feel it’s important to take this approach?

William F. Stewart:  I know it is a cliché, but skepticism really is the lifeblood of science. Historically, it is through the intense questioning of conventional wisdom that advancement has been possible. Although there are certainly a lot of cynics and charlatans masquerading as skeptics, good faith skepticism itself must be embraced if we are to achieve new discoveries. (more…)

Scotland has approved ten marine energy projects that leaders predict could provide electricity for one-third of the nation’s homes by 2020 and make Scotland the world leader in wave energy.

The government awarded leases to companies to construct six wave energy projects and four tidal project off the Scottish coast in what experts say would be the first developments of their kind on a large commercial scale.

Construction would cost £4 billion ($6.1 billion) and require another £1 billion ($1.53 billion) in government funding to upgrade the national electric grid. But First Minister Alex Salmond said tapping into the resources of Pentland Firth, a strait north of Scotland that is known for its strong tides, can make the country the “powerhouse of Europe.” (more…)

The harnessing of solar energy is expanding on every front as concerns about climate change and energy security escalate, as government incentives for harnessing solar energy expand, and as these costs decline while those of fossil fuels rise. One solar technology that is really beginning to take off is the use of solar thermal collectors to convert sunlight into heat that can be used to warm both water and space.

China, for example, is now home to 27 million rooftop solar water heaters. With nearly 4,000 Chinese companies manufacturing these devices, this relatively simple low-cost technology has leapfrogged into villages that do not yet have electricity. For as little as $200, villagers can have a rooftop solar collector installed and take their first hot shower.

This technology is sweeping China like wildfire, already approaching market saturation in some communities. Beijing plans to boost the current 114 million square meters of rooftop solar collectors for heating water to 300 million by 2020. (more…)

(Reuters) – British Columbia has given the green light to 19 private-sector clean energy projects that will generate enough power to supply nearly 218,000 homes in Canada’s Pacific Coast province.

The approvals, announced late on Thursday by BC Hydro, the government-owned electricity utility, mark the first phase in the provincial government’s long-delayed push to generate more green power.

Fourteen of the 19 proposals are 14 run-of-river hydroelectric projects, in which river water is diverted through turbines to produce power without the use of dams. The remainder are wind power projects. (more…)

Jack Hidary, one of the more innovative green entrepreneurs, was at the recent Vancouver Olympics evidently enjoying himself at events (especially speed skating) but, more importantly, engaging with world leaders to foster engagement toward more sustainable practices.

In the video below, Hidary discusses Vancouver’s Green Olympics (VANOC sustainability page ) even as he highlights some gaps, such as a shortfall in the use of highly cost-effective solar outdoor lighting. (more…)

(Reuters) – New forecasts suggest the European Union will exceed its target of getting 20 percent of its energy from renewable sources in 2020, the European Commission said Thursday.

The latest national projections submitted by governments to the E.U. executive suggest the 27-nation bloc could reach an overall renewable share of 20.3 percent by the end of the decade.

“These forecasts show that member states take renewable energy very seriously and are really dedicated to pushing their domestic production,” E.U. Energy Commissioner Guenther Oettinger said.

Spain and Germany forecast the largest surpluses in 2020, predicting they will exceed their national renewable targets by 2.7 and 0.7 percentage points respectively.

This will help to make up for projected shortfalls in several EU countries, including Italy, which expects to miss its 17 percent target by 1 percentage point. (more…)

As surely as last year’s Paris fashions make their way west to New York, U.S. utilities are beginning to embrace European-style programs like feed-in tariffs and green power premiums.

State-level decoupling regulations are easing that transition to some extent. But many utilities are still reluctant to embrace the change fully, especially as prices for conventional energy have come back down and utilities are finding that available capacity in voluntary green power is going unsubscribed.

Utilities do not like the financial uncertainty posed by long-term contracting for renewable power to supply the programs if they are not going to be able to move the power. It inevitably puts the utility’s shareholder obligations at odds with its ratepayer obligations and results in one of two solutions: green premiums go up and make the company look bad on green; or, everyone on the system pays to cover the nut, and no one is happy. (more…)

IBEW Local 569

Micah Mitrosky is an Environmental Organizer with the International Brotherhood of Electrical Workers Local 569 in San Diego.  She is focused on the renewables sector and talked with CleanTechies about unionization plans for the green industry.

CleanTechies: What is the mission of IBEW Local 569?

Micah Mitrosky: Our mission is to make sure that as our economy shifts to a low-carbon, sustainable economy, that we’re creating middle-class jobs with health care benefits, skilled career opportunities. A lot of what you think of as the fossil fuel sector are middle-class, union jobs. We want to make sure that, as we’re bringing in these new greener technologies and new green ways of doing things, that we’re replacing those with better middle-class career opportunities.

CleanTechies: What’s your biggest challenge in doing that? (more…)

A U.S. startup has developed a process that uses concentrated solar heat to vaporize biomass into synthetic fuels, a system the company says is cleaner and more efficient and can produce twice as much fuel per ton of biomass as existing systems.

In the process, a network of solar mirrors direct sunlight at a mounted gasifying unit, heating ceramic tubes to 1,200 to 1,300 degrees Celsius. (more…)

Wind power generation in Texas is growing so quickly that it is testing the limits of the state’s electrical grid.

The state set a record on March 5 when wind turbines generated 6,272 megawatts of energy, or about 19 percent of the electricity on the state’s main power grid.

That peak far exceeded the 6.2 percent average for wind power in Texas, whose 9,410 megawatts of total wind capacity make it the nation’s wind power leader.

But wind power’s growth poses a critical challenge for the state’s booming wind industry, which includes a 180-megawatt wind farm completed last fall near Corpus Christi in South Texas. (more…)