نتایج جستجو برای: environmental and social impacts today
تعداد نتایج: 17001988 فیلتر نتایج به سال:
The social cost of carbon is an estimate of the benefit of reducing CO2 emissions by one ton today. As such it is a key input into cost-benefit analysis of climate policy and regulation. We provide a set of new estimates of the social cost of carbon from the integrated assessment model FUND 3.5 and present a regional and sectoral decomposition of our new estimate. China, Western Europe and the ...
the main purpose of this study was to analyze the causes, impacts and mechanisms of drought crisis management in rural and nomadic communities in iran. 201 experts and managers involved in drought crisis management were surveyed through a complete enumeration/census. face validity and content validity of the questionnaire were confirmed by experts. the calculated cronbach’s alpha for the differ...
The proliferation of ridesourcing services has raised both hopes and concerns about their role in cities. impacts are complex multi-faceted. Through reviewing the literature, this study aims to identify social, economic, environmental these highlight opportunities challenges that lay ahead them for resolving issues related urban transportation. According results, offer safe modes transport prov...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
The Rio+20 United Nations Conference on Sustainable Development represents a crucial opportunity to place environmental health at the forefront of the sustainable development agenda. Billions of people living in low- and middle-income countries continue to be afflicted by preventable diseases due to modifiable environmental exposures, causing needless suffering and perpetuating a cycle of pover...
one of the indicators of sustainable urban growth is the balance of development between different regions of the city, quality of the environment, equality in job opportunities, housing, basic services, social infrastructures, and transportation in urban areas. urban sprawl has some negative consequences. some of the consequences that are frequently mentioned are destroying green spaces, high c...
Environmental conservation initiatives, including marine protected areas (MPAs), have proliferated in recent decades. Designed to conserve marine biodiversity, many MPAs also seek to foster sustainable development. As is the case for many other environmental policies and programs, the impacts of MPAs are poorly understood. Social-ecological systems, impact evaluation, and common-pool resource g...
People keep struggling for decades in order to shape the ecosphere in a manner they wants since the first day. The period in which this struggles was observed most intensively was the period covering the transition from a migrant and primitive hunter society to a resident life and farming. The most deepseated environmental modification against the nature that had been realized in the history of...
Renewable energy provides twenty percent of electricity generation worldwide. Hydroelectric power is the cheapest way to generate electricity today. It is a renewable source of energy and provides almost one-fifth of electricity in the world. Also, it generates electricity using a renewable natural resource and accounting for six percent of worldwide energy supply or about fifteen percent of th...
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