First global atlas of the bacteria living in your dirt (soil)

sciencedaily

Researchers have compiled a ‘most wanted’ list of around 500 key bacterial species that are both common and abundant worldwide

Date: January 18, 2018
Source: University of Colorado at Boulder
Summary:
What lives in your dirt? Researchers are one step closer to finding out after compiling the first global atlas of soil bacterial communities and identifying a group of around 500 key species that are both common and abundant worldwide.
FULL STORY

Soil bacteria account for a large percentage of the planet’s living biomass and facilitate key soil processes such as carbon cycling and nutrient availability.
Credit: © Bits and Splits / Fotolia

Continue reading “First global atlas of the bacteria living in your dirt (soil)”

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More Vietnamese households adopt integrated aquaculture systems as a climate-smart practice

cgiar.org

Coastal communities are learning about the benefits of climate-smart aquaculture and integrated coastal farming systems. More quantitative evidence of these practices is now being documented.

Many coastal communities in Vietnam’s North and North Central Coast (NNCC), one of the poorest regions in the country, rely on coastal aquaculture, particularly integrated aquaculture farming systems for their livelihoods and sustenance. However, climate change and its impacts have negatively affected coastal aquaculture recently by increasing the risks of disease outbreaks and crop failures.

For example, tiger shrimp, the major culture species of many farms in the NNCC, are sensitive to changes in the climate and the environment, such as the salinity level of the water. The shrimp crops are at high risk for failure when the salinity level of cultured pond drops below five parts per thousand (ppt). For farmers, depending solely on one type of crop could therefore be disastrous, especially in the context of increased extreme weather events. Integrated aquaculture systems ensure farmers have more diverse crops on which to depend and earn stable income to enhance their adaptive and resilient capacity to cope with climate change impacts. Continue reading “More Vietnamese households adopt integrated aquaculture systems as a climate-smart practice”

10 things to know about the future of water and sanitation

The world is transforming in many different ways.

These shifts – from climate change, to migration, to new technology and urbanisation – will have a significant impact on the management of water resources and related services such as sanitation. This impact will be both positive and negative, throwing up a variety of new opportunities and challenges, for people and economies.

But how can we make the most of the opportunities and face the challenges?

Here, we outline 10 things to know about the future of water and sanitation up to 2030, to do just that.

This publication is accompanied by the working paper Future flows: global trends to watch on water and sanitation. Continue reading “10 things to know about the future of water and sanitation”

Long-Term Clean Energy Optimism, Short-Term Caution

By Michael Liebreich, Chairman of the Advisory Board 
and Angus McCrone, Chief Editor
Bloomberg New Energy Finance

At the beginning of 2017, we drew an analogy between the clean energy sector and the great explorers of the 15th and 16th centuries, embarking on epic journeys, driven by the scale the opportunities they knew awaited them, but facing quite extraordinary danger and uncertainty.

Well, our battle-hardened fleet managed during 2017 to make some good progress towards Eldorado, despite all the storms thrown at it.

2017 looks certain to be the eighth successive year in which global clean energy investment has been in the range of $250 billion to $350 billion; there is a good chance that it will end up a touch higher than last year’s figure of $287.5 billion. Once again, we have seen substantial reductions in the cost of renewable energy, so that 2017 will certainly see another record for new capacity installations. Continue reading “Long-Term Clean Energy Optimism, Short-Term Caution”

Clean energy and rare earths: Why not to worry

Amory Lovins

“Rare earths” are 17 chemical elements with awkward names and unusual properties. Their atomic numbers are 57–71, 21, and 39. Their two subfamilies, one scarcer and hence more valuable than the other, have similar chemistries, so they’re generally found and mined together.

Despite their name, rare earths are not geologically rare but are widely dispersed throughout the Earth’s crust. They are mined in few places and by few firms, though, because they tend not to occur in highly concentrated form. Further raising miners’ costs and risks, the world market for rare earths is modest (several billion dollars a year), volatile, complex, and dominated by China, where not all mines and exports are legal and transparent. One expert concluded that about half of 2015 global production was off the books. Continue reading “Clean energy and rare earths: Why not to worry”

What Happened to the Rare-Earths Crisis?

technologyreview_Four years ago, manufacturers fretted that trade controls in China would lead to a shortage of materials used in making an array of technology products. But demand fell more than expected.

February 25, 2015

      Four years ago, some manufacturers worried that they would run up against a shortage of rare-earth elements, which are used to make wind turbines, certain light bulbs, computers, and many other high-tech products. Rare earths actually aren’t rare, but they are found in low concentrations, attached to minerals from which they must be separated. And most of the facilities designed to mine and separate rare earths are based in China, which limited exports of these materials in 2009 and 2010 (see

“The Rare-Earth Crisis”

    ). A 2010 U.S. Department of Energy

report

    •  envisioned a possible “critical shortage” of five rare earth elements, especially dysprosium—crucial to the permanent magnets used in wind turbines and motors in hybrid or electric cars—between 2012 and 2014. But such worries seemingly dissipated without much fanfare. Why?
A chunk of dysprosium.

Falling prices Continue reading “What Happened to the Rare-Earths Crisis?”

Chuyện tử tế: Phim tài liệu năm 1985

(Theo wiki) Chuyện tử tế  là một bộ phim tài liệu Việt Nam của đạo diễn Trần Văn Thủy. Tác phẩm được sản xuất năm 1985 nhưng bị cấm cho tới năm 1987 mới được công chiếu rộng rãi. Được coi là phần 2 của bộ phim tài liệu gây tiếng vang Hà Nội trong mắt aiChuyện tử tếtiếp tục là một tác phẩm phản ánh những suy nghĩ của Trần Văn Thủy về cuộc sống và xã hội thời bao cấp. Bộ phim đã khắc họa hình ảnh của những người dân nghèo khổ trong xã hội để tìm ra lời giải đáp cho câu hỏi: “Thế nào là sự tử tế?”. Cả Hà Nội trong mắt ai và Chuyện tử tế đều chỉ đến được với đông đảo khán giả sau khi có sự can thiệp của Tổng bí thư Nguyễn Văn Linh vào năm 1987. Tác phẩm sau đó đã giành giải Bồ câu bạc tại Liên hoan phim Quốc tế LeipzigCộng hòa Dân chủ Đức và được nhiều đài truyền hình mua bản quyền để phát lại. Cho đến nay đây vẫn được coi là một trong những tác phẩm xuất sắc nhất của đạo diễn Trần Văn Thủy.

Children increasingly used as weapons of war, Unicef warns

theguardian_2017 was a brutal year for young people caught in conflict, UN agency says, citing their recruitment as fighters and bombers

The face of a five-year-old Syrian refugee

Children caught in war zones are increasingly being used as weapons of war – recruited to fight, forced to act as suicide bombers, and used as human shields – the United Nations children’s agency has warned. Continue reading “Children increasingly used as weapons of war, Unicef warns”

Sun, Wind, and Power Trading, power grid: Diverse causes behind frequency fluctuations in power grids

Sciencedaily

Date:January 9, 2018 Source:Forschungszentrum Juelich

Summary :The use of renewables like the sun and wind can cause fluctuations in power grids. But what impact do these fluctuations have on security of supply? To answer this question, scientists analyzed different types of fluctuations in several power grids in Europe, Japan, and the USA — and came to surprising conclusions.

FULL STORY

Frequency measurements from 2015 (data: 50Hertz): the power grid frequency fluctuates around 50 Hz in the European grid and exhibits large jumps particularly in the trading intervals of 15 minutes. Usually, the grid frequency is within the yellow area but upward and downward deviations (grey) are particularly likely every 15 minutes.
Credit: MPI für Dynamik und Selbstorganisation / Benjamin Schäfer
Our power grid works at a frequency of 50 hertz — usually generated by turbines, for example in hydro- or coal power plants, which rotate at a speed of 50 revolutions per second. “When a consumer uses more electrical energy from the power grid, the grid frequency drops slightly before an increased energy feed-in re-establishes the original frequency,” explains Benjamin Schaefer from the Max Planck Institute for Dynamics and Self-Organization (MPIDS) in Goettingen and lead author of the study. “Deviations from the nominal value of 50 hertz must be kept to a minimum, as otherwise sensitive electrical devices could be damaged.”

Continue reading “Sun, Wind, and Power Trading, power grid: Diverse causes behind frequency fluctuations in power grids”

Người Hà Nội sắp thoát cảnh “ô nhiễm âm thanh” nhờ loa phường kiểu mới

ĐTH:  Rỡ bỏ loa phường là một tin mừng cho dân Hà Nội. NHƯNG giải pháp thay thế bằng hệ thống mGateway nếu được thực hiện sẽ là một thảm hoạ

 Những chiếc loa phường ồn ào, lạc hậu sẽ dần được Hà Nội tiến hành loại bỏ. Thay vào đó, sẽ là những “chiếc loa phường” thế hệ mới được sản xuất bởi MobiFone.

Có một sự thật: Người Hà Nội không thích loa phường

Những chiếc loa phường vốn gắn bó mật thiết với cuộc sống của người dân. Với giá thành rẻ, dễ lắp đặt, thi công, loa phường từng là một công cụ hữu hiệu trong việc lan truyền tin tức.

Theo ông Lưu Đức Hậu (phường Thổ Quan, Đống Đa, Hà Nội), người phụ trách công tác phát thanh phường suốt 20 năm, loa phường ngày xưa là một phần không thể thiếu trong đời sống người Hà Nội. Continue reading “Người Hà Nội sắp thoát cảnh “ô nhiễm âm thanh” nhờ loa phường kiểu mới”

Earthworm numbers dwindle, threatening soil health

DW_Earthworms help recuperate soil and enrich it with much needed minerals. But environmentalists are concerned as earthworms have come under threat from intensive use of manure and acidic soil.

Groundwater in the Mekong River Basin

3.11. Vietnam

• Salinization of groundwater in the coastal area

• Ammonium contamination in groundwater

• Groundwater level drops in Hanoi (-1 m/yr, total 30 m drop), Ho Chi Minh City (total 30 m), and in many other places in the Mekong River Basin; groundwater levels also decreased greatly.

• Land subsidence in Hanoi because of over-extraction

• High and increasing amount of arsenic in groundwater

Download full report http://unesdoc.unesco.org/images/0024/002436/243616E.pdf

Mekong Delta calls for over $340 million investment in tourism and infrastructure

vietnamnet.vn_Localities in the Mekong Delta region have called for investment in 33 projects in the groups of real estate and tourism, with a total investment of nearly VND7.8 trillion (US$343.2 million), along with 45 other projects related to industry, agriculture, processing and logistics infrastructure development with a total capital of VND150 trillion (US$6.6 billion).

Delta calls for over $340 million investment in tourism and infrastructure, vietnam economy, business news, vn news, vietnamnet bridge, english news, Vietnam news, news Vietnam, vietnamnet news, vn news, Vietnam net news, Vietnam latest news, Vietnam brea

Tourism development in the Mekong Delta has not been on a par with its potential.

The figures were introduced at the 5th Annual Mekong Delta Investment Forum (MekongInvest) 2017, hosted by the Vietnam Chamber of Commerce and Industry (VCCI) – Can Tho branch, in collaboration with Mekong Promotion Club (Mekong PC), gathering centres for trade, investment and tourism promotion of 13 Mekong Delta provinces, on October 25. Continue reading “Mekong Delta calls for over $340 million investment in tourism and infrastructure”

Singapore has declared 2018 the year of climate action—so why are its banks still funding coal?

eco-business_2018 is officially the year of climate action in Singapore, and yet the country’s powerful banks are bankrolling huge, greenhouse gas-producing coal-fired power stations in Asia Pacific, a report has found.

DBS is co-financing four 1200 MW coal-fired power plants in Vietnam—Nam Dinh 1, Nghi Son 2, Vinh Tan 4 and Vung Ang 2—and is a financial adviser for a number of planned coal-fired projects in Indonesia including the Jawa-6, Jawa-9 and Jawa-10 plants.

Singapore banks are bankrolling fossil fuel power projects that are at odds with public promises to fight climate change, a report from Market Forces has found. Continue reading “Singapore has declared 2018 the year of climate action—so why are its banks still funding coal?”