New York Times: Ecological Shifts Spell Challenges for the Pecos River Pecos River with rocky rapids flows from the mountains of northern New Mexico to the Rio Grande. Due to the harsh condition such as a distant river bluff, Pecos River was isolated from development for a long time. However, the ecological changes threaten Pecos River now. The water in the reservoir contains high level of salt. It makes agriculture in the region difficult since the river is unique source of water for agriculture. Besides, the salty condition gives optimized environment for a species of costal algae that is harm to freshwater fish. It began to be extended from the upper Pecos to other places and kill fish in the river. The state and some universities tried to prevent the extension of the algae and eliminate it. However, it was not successful. In the future, the change of the condition would be accelerated negatively. In the article, the change of the condition in Pecos River was covered. The power of nature is uncountable. Human can control some degree of natural change. However, the change of nature cannot be controlled. Human lives in nature that usually is helpful to human. In these days, the power of nature affects human being negatively after the arbitrary development. We should prevent the more destruction of nature.

New York Times: Behind London Tech Scene, a Government Push In East London, many things were changed in three years. East London in which there were few things became the largest technology center in England. The British government has supported London to make it as a European tech hub. The Tech City Investment Organization helped the promotion of the tech hub. The process of visa issues for entrepreneurs became easy and other obstacles decreased. Now the tech hub drew attention of large American tech companies. Google had opened its office already in East London. However, the size of the British tech hub is still small, comparing with Silicon Valley. Also, there are other tech hubs in Europe. The amount of venture capital is smaller than Sweden or Israel. The success in London is ambiguous since those reasons such as small size of capital. In the article, the tech hub in East London was covered. The world’s technology hub is Silicon Valley. There are many opportunities for entrepreneurs to grow up. Therefore, many entrepreneurs go to Silicon Valley with dream. The strategy of England targeted the advantage of Silicon Valley. It can generate the economic growth of England. The growth of the British tech hub would have a positive effect to the world economy.

The meaning of the word "zwar" Er hat zwar einen Regenschirm, aber er wird trotzdem nass. Er hat einen Regenschirm, aber er wird trotzdem nass. Does the meaning has difference between two sentences? What is the meaning of the word "zwar"? And when is it usually used?

Ein Satz korrigieren bitte. Meine Mutter erzählte mir, dass eine Person, die das eigene Leben zu retten. ist richtig?

"Das ist gar nicht weit weg." I can't understand the sentence. Please help me. Previous sentences: Mir ist Wiesbaden ein bisschen zu ruhig. Deshalb bin ich in meiner Freizeit meistens in Mainz oder Frankfurt. Das ist gar nicht weit weg.

Please check that the paragraph is written in native English or awkward. Paragraph: I have a few options that I can take in December. First, when I find an internship, then I will stay more in Germany. I will focus on work rather than language. Second, if I cannot find an internship, then my language test on end of November decides the option. If I'm successful on my language test, I will concentrate on TestDaF preparation. If not, I will go back to Korea. Please correct my composition. Thank you.

How to pronounce sign ":" in German? z.B."Es hat den Maßtab 1:200."