funding for this program is provided by annenberg media. narrator: the world needs energy. and nearly 80% of it comes from burning fossil fuels -- oil, natural gas, and coal. but burning these fuels emits carbon dioxide a greenhouse gas that contributes to climate change. how can we continue to supply our ever-growing need for power without damaging the environment? one possibility is to put the carbon dioxide back where it came from -- in underground rock formations. the midwest regional carbon sequestration partnership is investigating this strategy which will help mitigate the effects of the continued use of fossil fuels for energy. renewable energy sources are another option. and in golden, colorado, the natural renewable energy laboratory is trying to scale up processes for creating biofuels from the products of american farms their goal is to supply up to a third of the country's gasoline needs within 25 years. both projects are pushing the limits of modern science in hopes of leading the way to a more sustainable energy future. 40% o

funding for this program is provided by annenberg media. narrator: estimates on the total number of different living organisms that inhabit our planet range from 8 million to 60 million or more. of these, only about 2 million have been described scientifically. there are a lot yet to be discovered. many of these discoveries could be made in tropical rainforests, where it is thought that over half of the world's species exist. but we are losing these bastions of biodiversity before we even know what's in them. and tropical biologist bill laurance is learning what impact en amall road can haven their viability. a lot of tree mortality, a lot of deaths. narror: the oceans, too small changes in a fragile coral reef ecosystem can have lasting effects. ecologist jeremy jackson is finding human impact on the world's oceans could be setting them on a path of drastic change that he calls the rise of slime. dr. jackson: if the world becomes a world of slime then there's not much room for people. narrator: these studies -- one on land, the other in wa

funding for this program is provided by annenberg media. narrator: for thousands of years our capacity to alter the environment has gradually increased. during the last century, we've reached the point where our actions affect the entire planet. demographer martha farnsworth riche examines population dynamics in communities all around the united states a nation that has a disproportionately large impact on the ecosystem. dr. riche: population growth is heading towards some kind of stability as people replace themselves. but where it's located and how they consume -- that's the issue for sustainability. narrator: demographer deborah balk combines demographic and spacial data to examine how vulnerable populations in the coastal regions of developing nations will be affected by climate change. balk: prior work has predominantly looked at the causes of climate change. this study asks, what will some of the consequences of climate change be and what will those consequences be for human population and for human settlements? narrator: predicting f

annenberg media ♪ nenberg media ♪ ise tool to use when meat prices are the highest in history and theto act. when the cost of food threatens to jump beyond the average american family's reach, should the government put a lid on prices? when the nation goes to war,

♪ for information about this and other annenberg mediaearner.org.

annenberg media ♪ ♪ interest rates.ould rapidly changing economic conditions turn that law against them? for years, general motors got the most from investments by refurbishing assembly plants. why, then,ould they spend $500 million on radical newlant?w coulandea d two collegeuts be worth $300 million? a fundamental incentive of our economic system is to make money. it is why we work, save, invest, and take risks. individuals and institutions alike want to maximize the money they can get from the marketplace. profits and interest-- how do you get the best return? with economic analyst richard gill we'll investigate that question on this edition of economics usa. i'm david schoumacher. the church first decreed at charging for the use of money was sinful. the concepof usury and its immorality is found in the bible. by the middle ages it was church law. usury came to mean excessive interest rates. limiting rates to reasonable levels was adopted as government policy. what caused that policy to work against people it was des

annenberg media ♪ nenberg media ♪ they were immigrant garment workers-- uneducated, unskilled, and underpaidthey fight for a living wage?

annenberg media ♪ n of east asia encompasses three subregions: japan; north and south korea; and chinamongolia and taiwan. the late 1900s saw the reemergence of east asia as a world political, economic and cultural force. nearly 1.3 billion people reside in the region's largest country, china. the province of guangdong is on china's southern coast. this area has sustained extraordinary growth in recent decas, thriving as a basof manufacture for a obal economy. advancements in communication and transportation facilitate globalization. containerized shipping is a cost-effective means of transporting a variety of goods. guangdong's relative location to hong kong's ports and financial infrastructure is key to determining its position at the epicenter of chinese economic development. through guangdong, we see the forces of globalization at work in the pearl river delta and beyond. manybservers argue the costs and benefits but few dispute that globalization is the most profound reorganization of the world since the industrial revolution. the driving foe of globazations economic and at the co

annenberg media ♪ and its neighboring countries once formed most of the old soviet union, or u.s.s.r.any of these old soviet republics differ from one another on the basis of ethnicity and religion. but within the russian federation itself, there are republics that could still fragment along cultural and political lines. one of these is dagestan. dagestan's historical and economic geographies help explain opposing "centripetal" and "centrifugal" forces within russia. as a largely islamic republic adjacent to warring chechnya dagestan now receives new scrutiny in the war on terrorism. to help explain the differences between chechnya and dagestan, we explore the relationship between diverse cultures d the physical geography of the caucasus mountains. "dagestan"-- the name means "land of mountains." part of the russian federation dagestan lies in the caucasus mountains on russia's southern border. most people here live in small villages that are often very isolated. in the 19th century, when science still believed in distinct races a german coined the term "caucasians" because he thought

funding for this program is provided by annenberg media. narrator: the world needs energy.from burning fossil fuels -- oil, natural gas, and coal. but burning these fuels emits carbon dioxide

annenberg media ♪ nenberg media ♪ ford's model t seemed like the perfect car.went out of style. how could it be beat? the tva and other electric companies bought huneds of mlions of dollars worth of eipment every year. what lengths would the manufacturers of this equipment go to to make sure that the price was right? for 40 years, regulation protected the airline industry

annenberg media ♪ ♪ istory and the federal government refuses to act.n the cost of food threatens to jump beyond the average american family's reach, should the government put a lid on prices? when the nation goes to war, should the government institute total controls? what are the dangers of a well-intentioned price control program once it becomes entrenched? controls are to a politician like catnip to a cat. the politicians, in the end have very great difficulty resisting. economic efficiency-- what price, controls? with the help of economic analyst richard gill, we'll examine that question on economics usa. i'm david schoumacher. [loudspeaker] we got bargains over here! we have bargains over here! come on, girls. don't be shy. check it out. come on. pick 'em out. they all are cashmere. everyone enjoys the ritual and the give and take in a market like this one. it is a demonstration in its purest form of the free-market pricing system. consumers take the lead in this commercial dance looking for the best deal. the merchants follow their lead, the joki

funding for this program is provided by annenberg media. of different living organisms that inhabit our planet range from 8 million to 60 million or more. of these, only about 2

. ♪ funding for this program is provided by annenberg media.ands of years our capacity to alter the environment has gradually increased. during the last century, we've reached the point where our actions affect the entire planet. demographer martha farnsworth riche

annenberg media ♪ ♪ were non-existent savings gone.t was franklin delano roosevelt's answer to the needs of older americans? too many young people were untrained, uneducated, and unemployable. how could they get a place at the economic starting line? welfare reform. after 60 years of guaranteeing benefits to welfare recipients, the federal government wants them to go to work. has the new policy succeeded? we are the richest most prosperous nation on earth. yet, in the midst of plenty, great disparities in wealth. "reducing poverty: what have we done?" with the help of economic analyst richard gill we'll investigate that question on this edition of "economics u$a." i'm david schoumacher. there have always been people left out of the american dream -- the young, the old the ill, the untrained. and those who've just lost out in a competitive economy which has losers as well as winners. today we take it for granted that the government has a role to play in reducing poverty and we argue only about how and how much. but before food stamps an

annenberg media ♪ ♪ wore out, never went out of style. how could it be beat? tva and other electric companies bought huneds of mlions of dollars worth of eipment every year. what lengths would the manufacturers of this equipment go to to make sure that the price was right? for 40 years, regulation protected the airline industry from the hazards of competition. have 25 years of deregulation been an improvement? to paraphrase calvin coolidge, the business of america is big business. large and crucial industries are dominated by a few powerful companies which have grown with the economy and rewritten the rules of competition. what are the economic and legal rules these companies live by? what has big business done for and to the consumer? "whatever happened to price competition?" with the help of economic analyst richard gill we'll examine these questions on this edition of "economics u$a." i'm david schoumacher. there's no business bigger than the auto business. if you've shopped for a car recently this is a familiar sight. it looks like real competition a varie

annenberg media ♪ by: ya verás las sorpresas que te esperan cuando despiertes, roberto.imero, conoceremos a nuestro abuelo.

fo annenberg media ♪ by: ¿por qué tienes que ser tan desconfiado?entiendo por qué todos le tienen tanta antipatía a jorge. porque queremos protegerte de ese don juan. no tienes derecho de decir que es un don juan. tú no lo sabes. entonces, ¿

annenberg media ♪ provided by: ¿qué le estará pasando a fernando? lo había visto tan desconfiado. es natural, pedro. quiere estar seguro y necesita pensarlo un poco más. claro. yo recuerdo muy bien mi reacción

annenberg media ♪

e-mail your comments to outreach@democracynow.org or mail them to democr annenberg media ♪ and: withnding from these foundations and individuals: and by: and the annual financial support of:

annenberg media ♪ and: with additional funding from these foundations and individuals: and by: and thel financial support of:

annenberg media ♪ gracias. narrador: bienvenidos al episodio 28 de destinos.

annenberg media ♪ narrador: bienvenidos al episodio 23 de destinos: an introduction to spanish.n este episodio, angela necesita hablar con su jefa.

annenberg media ♪ narrador: bienvenidos al episodio 48 de destinos: an introduction to spanish.n este episodio raquel le cuenta a don fernando y su familia de su investigación en españa. bueno, como uds. saben prim

annenberg media ♪ by: narrador: bienvenidos al episodio 46 de destinos: an introduction to spanish.n este episodio nuestra historia continúa. tenemos que tomar una decisión. ya hay una oferta para el apartamento. es que si queremos venderlo, habrá otras ofertas.

annenberg media ♪ narrador: bienvenidos al episodio 49 de destinos: an introduction to spanish.n este episodio raquel sigue contándole a don fernando y su familia de su investigación. escuchen bien mientras raquel explica como conoció a arturo

annenberg media ♪ provided by: narrador: bienvenidos al episodio 43 de destinos: an introduction to spanishprimero, algunas escenas de este episodio. no puedo dejar de comparar tu vida con la mía. mientras tú tienes una posición estable en la universidad yo no he podido conseguir eso.

. ♪ get up, get up, get up ♪ annenberg media ♪ tienes que ir directamente a ver a tu hermano cuando lleguesendo. narrador: bienvenidos al episodio 51 de destinos: an introduction to spanish. en

annenberg media ♪ ¿y es muy difícil ser actor en puerto rico?difícil en cualquier parte del mundo. y dime algo de ti.

annenberg media ♪ provided by: narrador: bienvenidos a otro episodio de destinos: an introduction topanish. primero, algunas escenas de este episodio. aquí tenemos el dios del sol de los mayas, quirixajao. mujer: lo llamaba porque he hablado con mi cliente en los estados unidos.