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California is gearing up for green job training and certification programs in renewable energy and net zero building technologies.

Green roofs - where traditional roofs are replaced with plants and a watering system - optimise the energy consumption of buildings and have other advantages, say Spanish researchers.

The green-building rating system has undergone a re-weighting of credits, changing allocation of points to reflect climate change and energy efficiency as urgent priorities. LEED has been criticized for allocating relatively few points to energy efficiency and renewable energy.

Now, Climate Change is a game...

hed the new guidelines at its second annual technical forum in San Jose Wednesday. The Green Grid calls it the Data Center 2.0 program, which it says will create a "multi-year set of design guides proposed for use by data center operators and designers to build and operate energy efficient data centers."

The US Green Building Council (USGBC) has approved new guidelines for Leadership in Energy and Environmental Design (LEED) for commercial, which will be introduced in 2009.

"More than 800 giant wind turbines spin off the coasts of Denmark, Britain and seven other European countries, generating enough electricity from strong ocean breezes to power hundreds of thousands of homes. China's first offshore wind farm, a 102-megawatt venture near Shanghai, goes online this month, with more in the pipeline. Multimedia Map Related * Pressure Is Building on Disputed Wind Farm (April 26, 2010) * Green Blog: Who Will Build the First Offshore Wind Farm in North America? (April 26, 2010) * Times Topic: Wind Power Green A blog about energy, the environment and the bottom line. Go to Blog Enlarge This Image Julia Cumes/Associated Press The secretary of the interior, Ken Salazar, near the site of the Cape Wind project. Enlarge This Image Julia Cumes/Associated Press Supporters and opponents of the wind farm outside the Coast Guard station in Woods Hole, Mass. But despite a decade of efforts, not a single offshore turbine has been built in the United States. "

The Great British Refurb campaign, launched this weekend at Grand Designs LIVE in London, has the backing of the WWF, the UK Green Building Council and the Energy Saving Trust.

"Carbon neutrality by 2030 is the new standard for climate policies, and again the UK is leading North America in the climate debate with a bold national-level proposal about how to get there. The Centre for Alternative Technology just launched zerocarbonbritain2030 (ZCB2030), a collaborative project showing one possible scenario for making the entire UK carbon-neutral by 2030. ZCB2030 is a well-researched, well-written, and well-designed report on a set of possible pathways to a zero carbon Britain by 2030 (The goal, though bold, is not unique: Alex Steffen called for a very similar position for Seattle, a target which the Seattle City Council has included in their legislative priorities this year; and a variety of other nations and cities are approaching the same target, from Copenhagen to New Zealand). In 384 pages, CAT presents a comprehensive look at the kind of systemic changes needed to achieve dramatic emissions reduction in just 20 years in such areas as farming, energy generation, building codes, transportation planning, and economic frameworks. This report truly addresses the scope, scale and speed of the climate crisis and the solutions needed to create a bright green future. "

The National Science Teachers Association (NSTA) has teamed up with Discovery and the Siemens Foundation to launch a new initiative called the "Siemens We Can Change the World Challenge." The initiative calls on K-12 students to develop green solutions for their schools, homes, and communities. The initiative comprises several components, including introducing students to concepts in sustainability, educating students on environmental issues, building up STEM skills, and, eventually, connecting students with scientists to tackle environmental challenges through real-world projects.

Householders have all but abandoned their efforts to go green by using renewable technologies such as solar power, because the government's tightening of the rules has made grants almost impossible to obtain. As a result, the government's much-criticised Low Carbon Buildings Programme (LCBP) will not run out of funding for 15 years, even though the money was supposed to be used up by mid-2008, according to a Labour MP.

About 63 percent of Indian IT shops have completed a retrofit of existing server rooms to increase energy efficiency, or have a pilot project underway, according to a recent study. It's similar in Brazil, but IT companies there tend to favor building new server rooms before modifying existing ones.

Renewable energy could wreck the environment, according to a study that examined how much land it would take to generate the renewable resources that would make a difference in the global energy system. Building enough wind farms, damming adequate number of rivers and growing sufficient biomass to produce ample kilowatts to make a difference in meeting global energy demands would involve a huge invasion of nature.