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Solar Wind Biomass

The Biblical Case For Fighting Climate Change

IGOR VOLSKY As the pope urges America to fight climate change by replacing fossil fuels with renewable energy sources, he is hoping to inspire more places like this, the Florida Avenue Baptist Church in Washington D.C. Christian theology has encouraged the church to go green. REV. DR. EARL D. TRENT JR., Florida Avenue Baptist Church One of the tenets of our faith is, we have to take care of creation. That's early on in the book, the first book, the Book of Genesis and so we've taken that kind of seriously.

IGOR VOLSKY In fact, some religious scholars point to biblical passages such as Numbers 3534 You shall not defile the land in which you live, in which I also dwell. REV. DR. EARL D. TRENT JR. It's raised our whole consciousness about sustainability. We've had people in the church who've gone solar in their homes. IGOR VOLSKY Scientists say this change can happen on a national scale. MARK Z. JACOBSON, Stanford University The conventional fuels are actually costing twice as much because of the health and climate costs on top of that.

IGOR VOLSKY Mark Jacobson, a scientist at Stanford University, believes the United States can go completely green in 35 years. His idea would look like this In 2013, 81 of the power we generated came from fossil fuels like petroleum, natural gas and coal.The remaining 19 was sourced from nuclear, hydropower, solar, wind, and biomass. Under Jacobson's plan, all 50 states would power their entire infrastructure their electricity, transportation, heating and cooling systems with wind, water and sunlight by 2050. 80 of that conversion would take place by 2030.

MARK Z. JACOBSON Most people aren't aware of what's technically and economically possible. Windwatersolar is really the cheapest. It's the cheapest, it's the healthiest, it's the cleanest and it's existing technology. We can do it right now. IGOR VOLSKY In fact, three American cities have already become fully sustainable, Hawaii has pledged to use 100 renewable electricity by 2045, and California passed a bill ensuring that renewable energy makes up half of all electricity sold in the state by 2030. So as these panels become more ubiquitous, they'll help ensure that since The Lord God took.

Is it Too Late to Solve Climate Change

We can't just sweep climate change under the rug. But what if we swept it 7000 ft under ground You know if you visit a hot night club in Miami, you might see some international models dancing to some bass heavy techno music. But in the near future you might just see fish. You see, that's because south Florida is particularly vulnerable to sea level rising due to climate change. But you mention climate change to some people and they throw their hands up in the air and say it's just too big of a problem. This would require too much governmental.

Cooperation across countries that rarely can coordinate on anything, let alone something as big as climate change. But don't lose hope, I mean we've done it before. Sort of. Do you remember the hole in the ozone layer This was created mostly through the use of things like chlorofluorocarbons, a component found in aerosol cans used in products like hairspray. But thanks to the Montreal Protocol, 197 countries agreed to phase out CFCs, and the ozone layer has replenished. We expect it to be back at 1950's levels by 2080. But the problem is, unless you're a hair metal band from the 1980s, you're probably not as.

Dependent upon hair spray as we are on carbon emitting fossil fuels. Reducing their use is a long way off. But maybe we can reduce how much of it we release back into the atmosphere. One option is to separate out the carbon dioxide before you burn the fossil fuel. Now this would be done at a large processing plant that emits a lot of carbon. You take the carbon and you pump it through pipelines down into the Earth's crust, to a layer of porous rocks. The carbon actually seeps into the spaces in these rocks and then a level of nonporous.

Rocks above acts as a seal, keeping the carbon from escaping and moving back to the Earth's surface. But what happens if our climate situation becomes more desperate really soon We may have to look at more extreme measures like geoengineering. Now this is something we already do on a limited basis. We use it to reduce fog near airports, or limit the size of hail. But in this expanded version we would be using sulfate aerosols. This is essentially the same stuff that gets ejected into the atmosphere after a volcanic.

Eruption. We would take it into the stratosphere with special aircraft to disperse it. These particles reflect sunlight, so the sun's light gets reflected before it can be captured in the Earth's atmosphere by greenhouse gases. Sounds great right Perfect solution. Hang on a second, there's a little drawback. You see this could cause.can you guess Depletion of the ozone layer. We're back to square one. It's like taking one pill to go to sleep, and another pill to wake up. Now as anyone in medicine can tell you, it's always better to treat the underlying cause.

Than the symptoms. But in this case, that means pouring more money and resources into renewable energy like solar, wind, or biomass. So, is it possible Well, people used to think this was a good hairstyle. So I suppose anything's possible. And we've got a question for you. What concerns you most about climate change Let us know in the comments below. And if you enjoyed this tutorial make sure you like it and subscribe to our channel. We've got a lot more tutorials about the future coming up really soon.

Power to the People with Johan NorbergPreview

JOHAN NORBERG Most people in developing countries aspire to a rich, better life. These people know how we in the West live, and they refuse to be left behind. The highest standard of living the world has ever known has been built on an everincreasing use of energy, and there is no end in sight. We've made great strides in making everything more energyefficient, from jumbo jets to television sets. But despite that, we've increased our use of energy. Not only do we fly more, but there's a TV on the back of.

The seat. Couldn't we all just cut back, and learn to live with less energy Why can't we live greener reduce our consumption buy local and just travel less Denmark wanted to maintain its high standard of living, and reduce dependence on fossil fuels. So it bet its future on wind power. Should we follow in their footsteps Or could massive solar, like this plant in Morocco, be the answer Some believe that Ethanol, as a biofuel, was going to help to solve our energy problems. Now it appears to be a dead end. But fracking, under these.

Same fields, is now creating a boom in natural gas, especially here in the United States. It's the cleanest burning fossil fuel we've got, and it seems we're finding more of it every day. But can we live with the tradeoffs The most ambitious transformation of a country's energy sector is taking place right now, here in Germany. The specter of potential nuclear disaster has moved Germany away from nuclear, and toward wind and solar energy but not without unintended consequences. Right now, we are relying heavily on fossil fuels, and a lot of people are concerned about global warming.

Master of Engineering Sustainable Energy RMIT University

Background music I want something that is fun, something that is new, but also beneficial to my future. I guess I like the field of sustainable energy in engineering because it allows me to use my skills in maths and science, whilst also creating some good. I have done my Bachelor's in electronics instrumentation, so I was looking at the starting phase for a PhD or getting into a renewable energy sector. Sustainable energy is not just saving the environment or learning about the environmental technology. It's more than that. It's like putting equations of social responsibility, ethics,.

Even economic point of view, and not to forget the engineering aspect of the technology. The program places the students in a very competitive position to grab international and local jobs. The strategy of this program in particular is just training workready students. I've got to learn like new technologies, new alternative energies. I believe in sustainable life and climate change, so sustainable energies sort of like bring all of these components under one roof. As part of the program, the students should do a project, a research project, and they've got the opportunity to go for whatever area that they're interested in.

My final year project, I did it with Professor Gary Rosengarten in designing and simulating the solar thermal collector systems for low energy residential building. Most of our programs, we have a group project and single project, so when we interact with these people, you sit down, you learn. It's more of an interaction. We have a number of guest lecturers that come in and talk to us from the industries. It's great to see what people are doing in the real world, and where the actual jobs are. Climate change is not a hoax. It's happening now around the world.

Physical Science Five Forms of Green Energy

Hi, I'm Steve Jones and I'm going to tell you about the five forms of green energy. First of all these types of energy have not all been around for the same length of time. Geothermal energy has been there since the earth began, basically it's under ground, it's in the hot rocks below ground. And these hot rocks may be as much as a kilometer down. These hot rocks can be fractured by exploding dynamite or something like that, we can then pump water down and pump the water back up, and when it comes back up it's hot. So this.

Is geothermal energy. The most important one today is biomass, biomass is plants. Plants of course get their energy from the sun using the chlorophyll, the green substance in the leaves. So biomass absorbs energy from the sun, and we can reuse that energy by turning it into biodiesel for example, and biodiesel can replace the fuel produced from oil and therefore conserve oil. Hydro. Hydro energy is energy actually also from the sun. Because rivers are created by the sun the water evaporates due to the suns energy, it then precipitates.

Into rain and falls into the rivers, we build dams, put it in turbines and we end up with electric power. The fourth type, wind. Wind energy we all know that near the coast due to the changing temperature of the sea and the land there is always wind formed, particularly at the coast, and those winds can drive wind turbines. These are large propellers on a tall tower and they at the top of the tower also have turbines, and turbines produce electricity. The final type is solar energy, this is a more modern type thing, it's based on silicone.

Mobile solarwind and communications ideal for rural electrification

Transportable solarwind and communications ideal for rural electrification. In implementing hardware for the Pearsala Group mission to support our product sustainability and associated analog activities it is obvious that NASA flight quality hardware is not required. What is required is that there is a hardware solution that is close enough in its operational parameters so as to be useful for the specific product mission and associated analog activity while being cost effective. Recent innovations driven by the emergency market, NASA research, and commercial enterprise has provided solutions whereby Pearsala Group can rapidly implement a system that is functional,.

Physical Science Going Green With Renewable Energy

Hi, I'm Steve Jones, and I'm going to tell you how to go green with renewable energy. Now, we know that at the moment we use these fossil fuels oil, gas, coal, and nuclear fuel. We use them all to generate electricity for our houses, we use oil in our cars, petrol comes from oil. But, can we replace these things by using these renewable forms of energy geothermal, biomass, hydro, wind, and solar energies Well, the answer is, in general, yes. For example, biomass at the moment is being used to replace oil. Oil, petrol that.

We get from oil can be replaced by biodiesel, and biodiesel is a very important fuel. The one thing we have to remember is that biomass, which is plants, the energy comes from the sun, so we have to somehow resolve the use of biomass also with production of food. We can't turn every field into production for biomass. So, if we're going to produce diesel from biomass we have to think well, you know is this sustainable Can I get enough food for the people to eat otherwise, I'm actually defeating my purpose. However, for well over.

Seventy, eighty years we've been using hydroelectric power particularly on big rivers like those in America and in Russia, like the Colorado River has several large dams, and each of these produces hydroelectricity. A more modern way of doing it, of course, is to use wind power. Wind power is quite effective, especially near coasts where there is plenty of wind. Solar energy is generally used for smaller uses, because you can't actually produce large amounts of energy using solar energy unless you have very large arrays of solar panels. Geothermal energy well, you're lucky if you've got a geothermal power plant in your area.

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