On Tuesday, Rishabh Agarwal, a 25-year-old freelance photographer, rushed to meet clients in New Delhi, at the heart of one of the busiest and most crowded metropolitan areas on Earth. His timing couldn’t have been worse: the biggest blackout in history, two consecutive days of grid collapse that left almost half of India’s population without power.
Agarwal‘s first problem: no transport. “Delhi Metro, which is heart and soul of the city, also failed,” Agarwal said by email. So he took his car. Mistake. Traffic lights were out; buses were unable to absorb the sudden surge of commuters. The weather was nice, so Agarwal and other locals assumed this was a normal New Delhi blackout, the sort that happens across the summer. Then he checked the news.
“It’s time we put bad materials to good use,” says physicist Alex Zettl, who led this research along with colleague Feng Wang. “Our technology allows us to sidestep the difficulty in chemically tailoring many earth abundant, non-toxic semiconductors and instead tailor these materials simply by applying an electric field.”
“How many of you live in a building that has had a deep energy efficiency audit? Do you even know? What about the building that you work in?” Marshall Salant, the Head of Citigroup’s Alternative Energy Finance Department, taunted the audience at the ARPA-E Energy Innovation Summit, during a panel entitled “The Future of Financing Energy Efficiency.”
Building off its Corporate Standard, the GHG Protocol will be issuing international guidelines on whether power purchase instruments such as renewable energy certificates, contracts and electricity supplier programs should be used to quantify electricity consumption (also known as scope 2 emissions) in a GHG inventory.
Frequently analysts are asked to know if there is a premium on energy-efficient homes since the change in asset value has an effect on undertaking a retrofit investment or the purchase of a high performing new building.
Resilient cities need infrastructure that lasts and planning teams that are willing to step up to the plate. Designing structures that can sustain decades of use requires forethought beyond the basic combination of blocks, steel and glass. Just like sidewalks and street corners, city buildings have the power to connect people to one another. Buildings are shelters from unpredictable weather, places where people can have a good time or sit quietly and think. Buildings can also serve as checkpoints or another step in someone’s journey from point A to B. Developing cities that thrive through the ebb and flow of time are not simply about creating infrastructure that can persist, but about designing buildings that evolve as cities evolve. Sustainable design transforms as cities develop visions for furthering connections among neighborhoods and city sectors. Design features such as energy efficiency, water conservation, and heat reduction that better regulates a building’s temperature are significant elements that replenish a city’s vitality through buildings that are capable of adapting to a city’s needs. Infrastructure that is greater than the sum of its parts also requires infrastructure that functions according to the changing needs of residents...
With news of cities going bankrupt, it may be wise for cash-strapped burgs to take a look at what's going on in Lowell, Massachusetts where an energy efficiency project is expected to save the city $1.5 million annually over a 20-year contract.
The United Kingdom is first for energy efficiency - followed closely by Germany, Italy, Japan and France - in a ranking of the world's major economies from the American Council for an Energy-Efficient Economy.
In a new study, a team of scientists from the Korea Research Institute of Chemical Technology in Daejon, South Korea, and Ewha Womans University in Seoul, South Korea, have demonstrated that graphene may serve as an efficient photocatalyst for improving the efficiency of an artificial photosynthesis system. As a photocatlyst, graphene uses sunlight to spur the reaction without becoming involved itself.
The U.S. Department of Energy’s (DOE) Commercial Buildings Program and DOE’s National Renewable Energy Laboratory (NREL) are working with the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) and the buildings industry to find ways to reduce the energy intensity of large hospitals, schools, and retail buildings by 50%.
Through the CDM, developed countries can engage in economically and environmentally competitive emission reduction projects that are conceived and implemented in developing countries. In Rwanda, projects that have the potential to be included in CDM include reforestation, waste management, biomass waste/biogas usage, energy efficiency and renewable energy.
Provided you can invest at least £570, you can become a shareholder in Triodos Renewables, an independent company operating eight sites around the UK – seven onshore wind farms and a hydroelectric scheme – that can generate enough renewable power for almost 24,000 homes. Meanwhile, those with less to invest may be interested in a separate project to install solar panels on homes in the South Downs region of England, where the minimum investment is just £5 (see below).
The higher energy efficiencies enabled by Monsanto products and systems have come from advances in three areas: breeding, biotechnology, and agronomics/chemistry. These higher efficiencies have meant higher yields on a generally constant cropland area, which has resulted in dramatic increases in the total U.S. supply of both corn and soybeans, allowing for more renewable fuel production from these two grain feedstocks.
With the recent passage of the Energy Efficiency Directive through the key EU parliamentary committee on Industry, Research and Energy (ITRE), it is clear that the idea of managing emissions, improving energy security and ...
The historic fog-wreathed prison in the middle of San Francisco Bay now gets most of its power from the sun.The National Renewable Energy Laboratory (NREL) is reporting that one of San Francisco's most notorious tourist attractions has gone solar. Alcatraz Island, a forbidding outcrop in the middle of San Francisco Bay that was used as a prison from 1861-1963, now gets most of its electrical power from solar panels.
The UK government has announced new feed-in tariffs (FITs) for renewable heat and small-scale renewable electricity technologies (not including solar PV). The changes will affect tariffs for all newly eligible FIT technologies from 1 December.
South Africa’s latest round of renewable energy contracts has attracted interest from European developers after home subsidies have dried up, but legal uncertainty and rules over local ownership may cut the temper their enthusiasm.
This post summarises the findings of a paper just published in the peer-reviewed journal Sustainability by Graham Palmer, entitled “Does energy efficiency reduce emissions and peak demand? A case study of 50 years of space heating in Melbourne“.
Pete Street from www.cleanenergydurham.org is an interesting community outreach program for encouraging energy efficiency on a neighborhood basis. It is all about creating a volunteer network and hosting simple DIY energy efficiency training and programs.
As Europe moves ever closer to its renewable energy targets, increasing attention is being placed on wave and tidal energy as a source of renewable energy. Indeed, wave energy is an abundant renewable resource, and is starting to be exploited by several European countries. What is especially attractive about sea waves is their high energy density, which is estimated to be amongst the highest renewable energy sources. While we may know about the benefits, little is known in general of the impact that they have on the marine environment.
The electric vehicle (EV) market is set for take-off, but unless renewable energy is used in the charging systems or within the vehicle design, owners are still using fossil fuels for transportation.
Via Sass Peress
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