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Showing posts from November, 2021

Real estate bubble - avoiding crash and housing affordability

https://rayliant.com/the-myth-of-the-chinese-real-estate-bubble/  But for obvious reasons, reducing home prices is exceedingly unpopular with existing home-owners and lenders. A workable approach, which could take a decade to bear fruit, requires Beijing to work actively to contain property prices while inflation and economic growth raise household income. But a more promising and immediately impactful alternative is a Singapore-like government housing program, where low-cost rentals are built and operated by the state for lower income earners . ... Beijing is rightly concerned with the social pain caused by this issue. However, there is also an economic problem to be addressed: although Chinese workers have worked and saved excessively, much of their capital has been mis-directed. A significant percentage of the country’s investments have been sunk into the real estate sector .  Having spent the past several months in China, I see the pain that housing affordability has cause...
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Air pollution - public health emergency - case study - Hanoi and red river delta

  https://www.eurasia.undp.org/content/rbec/en/home/blog/2021/air-pollution-other-public-health-emergency.html?utm_source=EN&utm_medium=GSR&utm_content=US_UNDP_PaidSearch_Brand_English&utm_campaign=CENTRAL&c_src=CENTRAL&c_src2=GSR Air pollution is a public health emergency in Vietnam and more serve in dense population area. Key issues: Toxic trash management and incinerator. Prevent, reduce open burn trash that contain many toxic by-product: plastic, rubber, paint, heavy metal... Let people understanding the issue with our daily waste. https://dnr.wisconsin.gov/topic/OpenBurning/Impacts.html https://nepis.epa.gov/Exe/ZyNET.exe/10004638.TXT?ZyActionD=ZyDocument&Client=EPA&Index=2000+Thru+2005&Docs=&Query=&Time=&EndTime=&SearchMethod=1&TocRestrict=n&Toc=&TocEntry=&QField=&QFieldYear=&QFieldMonth=&QFieldDay=&IntQFieldOp=0&ExtQFieldOp=0&XmlQuery=&File=D%3A%5Czyfiles%5CIndex%20Data%5C00thru05%5CT...
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Urban flood management - Case study Hanoi urban

300+ pages :)   https://www.floodmanagement.info/floodmanagement/wp-content/uploads/2020/06/Cap-Net-WMO-Urban-Flood-Management.pdf Study area around Hanoi: Day river and hills along riverbank. Along Red riverside. Contents 1. URBAN WATER 8 1.1. Urban development .................................................................. 8 1.1.1. The urbanization process...................................................... 8 1.1.2. Impact on urban infrastructure............................................ 11 1.1.3. Urban infrastructure planning.............................................. 12 1.2. Urban water systems ............................................................. 15 1.3. Water availability .................................................................... 16 1.4. Assessment of urban water components ............................ 18 1.4.1. Contamination of water sources ......................................... 18 1.4.2. Water supply and sanitation...............................
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