Sunday, November 22, 2009
No Peak in Oil Before 2030, Study Says
What goes up must come down therefore I think we should prepare for when oil supplies gets low and we have to use other sources/reserves. If we do not plan ahead we might find ourselves in a bad situation. This whole article is just trying to be optimistic and keep people from panic.
Read my other article "Key oil figures were distorted by US pressure, says whistleblower" that says the exact opposite about the "oil peak" in this article.
Thursday, November 19, 2009
India Cabinet Approved a $19 Billion Solar Plan
Comments: India is the biggest developing country right next to China. it consumes tremendous amount of energy in its industry. Also, India has about 1 billion population, the electricity demand of India is very high. The purpose of this giant solar power plant will certainly reduce the CO2 emission of India. However, the concern will also raise. Is the solar the suitable source for India? Or moreover, Is such a large-scale solar power palnt suitable for India? Is India has mature enough techonologies to build such a giant power plant? Is this just a comptetion to China? I certainly doubt that Indian can afford such a expensive budget, as well as the effect of this solar power plants. But it looks like we all going to find out soon, since it will start its operation in 2012 accroding to the article.
Monday, November 16, 2009
Digging for Oil; Canada Is Unlocking Petroleum From Sand
Summary: In Canada, less than 1% of the available oil sands have been used to produce oil. “According to Canada's National Energy Board, there are at least 300 billion barrels of recoverable oil within a 250-mile radius of this northern city, about 15 percent more than the proven reserves of Saudi Arabia.” Canada’s oil sand production is expected to grow drastically in the next few years thanks to the new advancements in technology, which make the production of oil sands easier and cheaper.
Comment: As we already know, Canada is the largest oil supplier country of the United States. This means that if Canada’s oil sands production is going to increase drastically in the next few years, the amount of oil coming from oil sands in the United States is obviously going to increase as well. This is a really good thing because we need to take advantage of the other ways we can produce oil rather than just from petroleum, which we know is already running out.
Sunday, November 15, 2009
New Books Help Students Investigate Energy
India to Boost Funding for Solar Power
Turtles Are Casualties of Warming in Costa Rica
But scientists fear that climate change could undo much of the progress made in sea turtle conservation. Global warming is linked to weather extremes. Rising temperatures from global warming are a major threat. Beach temperature during egg incubation determines turtle sex ratios, with higher temperatures producing more females.
A recent study at a Florida nesting beach found that all the turtle hatchlings were female, while on Costa Rica's Playa Grande, the sand was so hot between January and March of this year that turtle eggs buried there stopped hatching.
This is a clear consequence of climate change. It does affect more than we think, If we don’t measure what we do we can finish destroying all the life on the earth. There are some damages which are reversible but there are other that are impossible to fix. Contaminated water may be purified, but extinct species can’t be recovered. How will we stop the bad we have started?
Shower Time Could Get Shortened
The average American spends about eight minutes in the shower using about 20 gallons of water. The most radical proposal would be to take fewer showers. Which would help the environment, and give you more workspace around your colleagues. In Venezuela, Hugo Chavez wants shower time limited to three minutes without any singing. Another proposal was “Navy showers”, or turning the shower off while lathering up. However, the main focus of this article is to improve water usage through modification of the showerhead.
This is not the first time that governments have looked at setting restrictions on showerheads. In 1992, the government restricted showerheads to ones that pump 2.5 gallons of water per minute. This forced showerhead companies to add flow restrictors, often by adding simple washers. The small secrets were that these washers were easily removed with a knife and there were often directions in the box about where they were located and how to remove them.
The latest idea is to turbo charge the new showerheads like today’s turbo charged cars that force more air into the engine, which boosts the power. With restrictions on the flow rates of showerheads - of 1.5 gallons per minute in Miami-Dade County, Florida, and 2.0 gallons per minute in San Antonio, Texas - improvements will have to come from technology. Engineers believe mixing air into the water can still give people the same pressure and enjoyment as a regular shower. The current technologies use either a “Venturi Vacuum”, which is often used by hotels to save water, or a small turbine inside of the showerhead. Both these technologies provide great pressure, and a reduction in water usage. However, the only problem is that the addition of more air causes users to operate their showers at higher temperatures, which uses 10% more energy in the process.
I hope that the EPA will only consider making restrictions to showerheads and not on the number of showers that I can take. Otherwise, I think we would need more space for group projects, and swimming would make chlorine the most popular cologne. I am impressed with the progress and cannot wait to take a shower in a fancy hotel to test out the new technology!
Sources
Thursday, November 12, 2009
IEA bets on Solar, Wind and Natural Gas to win the race to renewables.
the article actually makes a few points:
first, to get our sources strait: it's quoting the International Energy Agency's "outline for world energy future for the next 20 years" - the article explains that this year marks their decision to focus on stimulating clean energy for the future.
secondly, it indicates that while natural gas, solar, and wind power are expected to a rapid increase in demand, nuclear power will continue to play quite a minimal role in the future of alternative energy.
thirdly, this entire report is all based on the assumption that the world will cooperate on environmental policy and carbon taxes will skyrocket among a host of other presuppositions, which makes this report perhaps seem less important than it is. However, even if its based on the above assumptions, if there's one thing i've learned in economics is that public perception influences the demand for a product. If the public percieves that the International Energy Association advocates and predicts a big boom in wind and solar power, they might just believe in it.
I think it is critical to ask why nuclear power is still being left out of the picture as a "clean renewable source of energy" by even a network of informed scientists as prestigious as the international energy association. I hypothesize that it is one of the following:
a. given that nuclear power plants are highly capital intensive and take time to be approved let alone built, so the IEA is skeptical of the worlds ability to stimulate the production of nuclear power plants quickly in the next 10 years. OR
b. nuclear power is still seen as "dirty" or "unsafe" in terms of it's public image despite the massive leaps in efficiency, disposal and safety technologies.
I really hope it's the former, because if it's the latter, we're on the verge of making perhaps the gravest mistake of our time. In a world where we are thirsty for a highly safe, efficient and clean sources of energy - nuclear power should be one of the leading contenders to supplement our energy portfolio.
- thoughts?
-Shikhar.
Sunday, November 8, 2009
Solar incentives drop as cells get raised on roofs
The cut I find is logical as proposed. The rebate was used to give incentive to develop solar energies and replace polluting plants and hazardous emissions. As solar sales go up why should the rebate remain the same. The rebate is still in place-though at a lower level, and the people receiving the rebate are still receiving "free" energy. over time they are still benefiting from both. If the rebate were to stay at the current level the city would have to recover this money in some other program-maybe tax increases, which would mean a pretty vicious circle of people paying taxes to the city then the city paying the rebate to those with solar cell. In the end those without solar cells would be paying those with them. This would drive those without cells to install them then the whole system would be useless. The reduction is necessary in my opinion.
Clean Air for the future
Investing over $6 Billion since the late 1970's T.V.A. has been working to reduce air pollution from sulfur dioxide and particulates and smog forming nitrogen oxide. The emphasis has been toward the air and has been leaving landfills to fill. the trade off is fair according to Mr. Nash who commented, "but it is still better to clean the air," because "we all breathe the air." I believe this logic is somewhat flawed because landfills as already noted in the article coal ash can spill. These resulting spills can devastate the local area and leak into underground water supplies leaving it contaminated. It is important to clean the emissions produced by the plants but the long run effects lead to a need for cleaner fuels and energy sources.
Don't Let The Sun Go Down On Me
The project, named Rice Solar Energy Project, will be built in the Sonoran Desert. The power plant will use thousands of mirrors, called heliostats, to concentrate sunlight to a tower with a receiver mounted on top of it. The receiver will be filled with 4.4 million gallons of liquid salt and will be heated by the focused sunlight to around 1050 degrees, which will flow through a steam-generating system.
This isn't the first time salt has been used for solar purposes, but in this case, the salt will be stored in tanks and used later. Solar Reverse also claims that it will air-cool the plant to avoid using water, another concern that comes with energy. This is yet another step in the right direction in our path to more reliable and renewable energy. Now that we are expanding the definition of solar energy with the introduction of using salt, this will urge scientists to find other mediums to where we can store the sun's energy, a source of energy that will be here to stay.
Although this may work in California, not all states have the available space need to commit to such a large project. This limits the effectiveness of a power plant like this dependent on its location. In the future, I believe that the big states with enough money and in an area that has high solar power potential will invest in this type of power plant. I do wonder however, if the current state of California's economy will have any effect on this specific project. Whether it will delay the completion of the project, or completely abandon it, if there is any effect at all.
Yemen could become first nation to run out of water
Our Choice Al Gore,
Sunday, November 1, 2009
Could shale change the fate of our energy supply
Natural gas is a really great alternative to some of the other available fossil fuels that we have out there. The fact that it's so much more clean than even coal helps the company that are producing it promote it and the development in other places. This might even lead us to use electricity in other places besides a power plant which is a main use of it today. If natural gas becomes as abundant as other fossil fuels such as oil, we all might eventually see natural gas cars on the road. This is also important because it serves as a less traumatic way of making the switch from the dirtiest fossil fuels strait to all clean energy. If we had an energy system that was more natural gas/ wind/ solar energy, we would be so much better off. We don't have to solve every problem with pure clean energy.
Lone Star, Meet Red Star: China’s $1.5 Billion Wind-Power Deal in Texas
The question of who pays for pollution is introduced when foreign companies, for instance China’s Shenyang Power Group, Cielo Wind Power, assemble power plants abroad. Chinese energy-related investments have begun to take place in Texas, where they are planning to install a $1.5 billion wind plant next year. Texas is already listed as the biggest wind-power state and with this new plant, their defeat over other states will continue to increase. Power leads to pollution, but whose responsibility is it? Chinese banks are funding the wind farm and supplying the components while Texas provides the land. Which element dominates; is the location more important or is the sponsor the responsible one? The producer may not even be accountable at all, the blame could be thrown onto the consumers of energy, therefore putting the weight of harming the economy evenly onto three groups, the supplier of sources & money, the producer of the pollution, and the consumer of electricity. I think countries should focus more on what emissions they’re putting out rather than concentrating on other countries’ rates of pollution. The article discusses the foreign competition to different sectors, proving that the entire world does contribute to global pollution, and therefore should all contribute to cleaning it back up.