Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: resistance of two Douglas fir species (Pseudotsuga menziesii (Mirb.) Franco and Pseudotsuga macrocarpa (Torr.) Mayr.): relative importance of water use efficiency and root growth potential...
The question of the origin of water on Earth, or the question of why there is clearly
more water on the Earth than on the other planets of the Solar System, has not been
clarified. There are several acknowledged theories as to how the world's oceans were
formed over the past 4.6 billion years.
There is an estimated 1.4 billion km3 of water in the world but only approximately
three percent (39 million km³) of it is available as fresh water. Moreover, most of this
fresh water is found as ice in the arctic regions, deep groundwater or atmospheric
water. Since water is the source of life and essential for all life on the planet, the use of
this resource is a highly important issue. 'Water management' is the general term used
to describe all the activities that manage the optimum use of the world’s water
Cross promotions among media companies, food sellers, and toy companies advance the
corporate goal, as one marketing expert put it, “to establish a situation where kids are exposed to
their brand in as many different places as possible throughout the course of the day or the week,
or almost anywhere they turn in the course of their daily rituals” (Kjos, 2002). Supermarket
shelves are filled with such links, such as Rugrats characters on packages of Kraft Macaroni &
Cheese. Tie-ins like these are designed to lure children into...
Water is one of the basic elements for life. It is even assumed that the evolution
of life is only possible if there is liquid water present. A water molecule has some
remarkable properties that make it quite unique in the universe. In the first chapter
of this book we will review these basic properties of water and the role of water on
Earth. All ancient civilizations realized the importance of water and their cities were
constructed near great reservoirs of water.
Around one third of our visits were to firms for whom financial services is not their
main line of business and sell PPI as a tertiary product. Of these nearly a half had not
properly engaged with their regulatory responsibilities and had in general failed to
meet the standards of TCF and ICOB.
Motor retailers have shown some of the biggest improvements since our earlier
work, for instance, they have been proactive in changing their sales processes to
better align them with TCF objectives.
The Capital Market Climate Initiative (CMCI) is a UK initiative, bringing together experts from the
financial and public sector to help deliver private climate financing at scale in developing countries by:
identifying deliverable propositions to mobile private capital; developing a base of evidence build
developing country interest and support; and building private sector confidence in the feasibility of the task
PHI provides a source of insurance in systems with targeted, non-universal access to health care
coverage. It plays a particularly large role in countries with a history of private health coverage and an
absence of universal coverage. For example, in the Netherlands, nearly all of the population without access
to social insurance purchases PHI (about a third of the population), and the majority of the socially insured
rely on PHI for coverage of services not included within social insurance.
Water conservation encompasses the policies, strategies and activities to manage fresh water as a sustainable resource to protect the water environment and to meet current and future human demand. Population, household size and growth and affluence all affect how much water is used. Factors such as climate change will increase pressures on natural water resources especially in manufacturing and agricultural irrigation.
Many critical survival issues are related to uneven development, poverty, and population
growth. They all place unprecedented pressures on the planet's lands, waters, forests, and
other natural resources, not least in the developing countries. The downward spiral of poverty
and environmental degradation is a waste of opportunities and of resources. In particular, it is
a waste of human resources. These links between poverty, inequality, and environmental
degradation formed a major theme in our analysis and recommendations.
Developing and managing Pollution Probe’s Mercury Pro-
gramme has been one of the most challenging, interesting
and rewarding activities of my career. Challenging, when one
realizes how difficult it is to change institutions and policies,
even though the solutions appear so obvious. Interesting, in
the extraordinary story that mercury has played, and contin-
ues to play in commerce, ecosystems and human health.
The central problem of life-cycle finance is the spreading of the income from
the economically productive part of an individual’s life over that person’s whole life.
As with all financial problems, this task is made difficult by time and uncertainty.
Merely setting aside a portion of one’s income for later use does not mean that it
will be there—in real (inflation-adjusted) terms—when it is needed. No investment
is riskless if the “run” is long enough. In addition, there is the ordinary risk that the
realized return will be lower than the expected return.
In 1972, the Clean Water Act (CWA) delineated the basic structure for regulating discharges of
pollutants into waters and for establishing quality standards for surface waters under the authority of
EPA . Under the CWA’s National Pollutant Discharge Elimination System program, stormwater
permits were required for sediment runoff from construction sites and discharges of pollutants into
surface waters . The permitting system requires adoption of technology-based and water quality-based
effluent limits [11,12].
Application volume continues to climb as the economy slumps.
The applicant pool is becoming more diverse. Demand for various
types of graduate business education grows as applicants look for
more flexible learning options. To spread their bets and improve
their chances of admissions success, applicants are applying to
more schools than ever before. Clearly, gaining admission to a
graduate business program is getting more and more difficult.
Business school applicants face a myriad of challenges and con-
siderations throughout the graduate admissions process.
Society uses water to generate and sustain economic
growth and prosperity, through activities such as farm-
ing, commercial ﬁ shing, energy production, manufactur-
ing, transport and tourism. Water is important in deciding
where we settle and how we use land. Water can also be
a source of geo-political conﬂ icts – in particular where
water shortages occur. For our own well-being, not only
clean drinking water but also clean water for hygiene and
sanitation is crucial.
TB is an airborne disease caused by the bacterium Mycobacterium tuberculosis (M. tuberculosis) (Figure 2.1). M. tuberculosis and seven very closely related mycobacterial species (M. bovis,
M. africanum, M. microti, M. caprae, M. pinnipedii, M. canetti and M. mungi) together comprise what is known as the M. tuberculosis complex. Most, but not all, of these species have been found to cause disease in humans. In the United States, the majority of TB cases are caused by M. tuberculosis.
M. tuberculosis organisms are also called tubercle bacilli....