نتایج جستجو برای: greenhouse gas emissions

تعداد نتایج: 310344  

Journal: :تحقیقات موتور 0
جورجیس فونتاراس g. fontaras زیسیس ساماراس z. samaras

the demand for fossil fuel in the transport sector is constantly increasing and transportation is ranked amongst the highest greenhouse emitting sectors globally. today, tackling co2 emissions from road transport a widely discussed topic and constitutes a milestone towards reaching a sustainable, carbon neutral economy. this challenge is being described in various initiatives adopted in the eur...

2017
Thais Vilela John Reid

This paper describes and validates the HydroCalculator Tool developed by Conservation Strategy Fund. The HydroCalculator Tool allows researchers, policy-makers and citizens to easily assess hydropower feasibility, by calculating traditional financial indicators, such as the levelized cost of energy, as well as greenhouse gas emissions and the economic net present value including emissions costs...

2013
Michael Brear Peter Dennis Chris Manzie Rahul Sharma

This paper presents a technical and financial analysis of several, potentially near-zero greenhouse gas emission passenger vehicles for Australian driving conditions. Conventional, series hybrid, plug-in hybrid (PHEV) and fully electric (BEV) vehicles of class B and class E sizes are considered, with their propulsive energy assumed to originate from a source that is free of net greenhouse gas e...

2016
Mehdi Ahmadi Mehrshad Dastorian Nemat Jafarzadeh Sahand Jorfi Bahman Ramavandi

Since global warming due to greenhouse gas emissions is no respecter of geographical boundaries of countries, concerted mitigation activities such as Clean Development Mechanism (CDM), are suitable. In this mechanism, some developed countries can gain certified emission reduction credits from emission reduction actions undertaken in developing countries. Thus, the data of greenhouse gas emissio...

2009
SANDRA GENIS

Thank you for the opportunity to comment upon the Preliminary Draft Amendments to the Guidelines for the Implementation of the California Environmental quality Act (CEQA)(Title 14, California Code of Regulations). The Amendments are proposed in order to implement Senate Bill 97 (Dutton), which directs the Governor’s Office of Planning and Research (OPR) to develop guidelines for the mitigation ...

One of the major factors, contributing to the emission of greenhouse gases in the environment is generation of pollutant gases in municipal landfills. As for the design and building of a gas collecting system, it is necessary to properly estimate the amount and type of the landfill emissions. By means of LandGEM model, this study predicts the amount and type of the landfill gases, produced for ...

2013
Matthew HR Anstey

The scientific consensus is that global warming is occurring and is largely the result of greenhouse gas emissions from human activity. This paper examines the health implications of global warming, the current socio-political attitudes towards action on climate change and highlight the health co-benefits of reducing greenhouse gas emissions. In addition, policy development for climate change a...

2016
David W. Smith

Livestock and Poultry Environmental Learning Center Animal agriculture contributes about three percent of all anthropogenic (humancaused) greenhouse gas emissions in the U.S. (EPA, 2011). Although this is small relative to other economic sectors such as transportation and energy, animal agriculture is also being called upon to defend its environmental impact and continually demonstrate its comm...

Journal: :Environmental science & technology 2009
Hyungtae Kim Seungdo Kim Bruce E Dale

Greenhouse gas release from land use change (the so-called "carbon debt") has been identified as a potentially significant contributor to the environmental profile of biofuels. The time required for biofuels to overcome this carbon debt due to land use change and begin providing cumulative greenhouse gas benefits is referred to as the "payback period" and has been estimated to be 100-1000 years...

2010
John Nolt

It has sometimes been claimed (usually without evidence) that the harm caused by an individual’s participation in a greenhouse-gas-intensive economy is negligible. Using data from several contemporary sources, this paper attempts to estimate the harm done by an average American. This estimate is crude, and further refinements are surely needed. But the upshot is that the average American is res...

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