نتایج جستجو برای: smoke abatement

تعداد نتایج: 75929  

2017
Jinghong Gao Guozhang Xu Wenjun Ma Yong Zhang Alistair Woodward Sotiris Vardoulakis Sari Kovats Paul Wilkinson Tianfeng He Hualiang Lin Tao Liu Shaohua Gu Jun Wang Jing Li Jun Yang Xiaobo Liu Jing Li Haixia Wu Qiyong Liu

Limited information is available on the perceptions of stakeholders concerning the health co-benefits of greenhouse gas (GHG) emission reductions. The purpose of this study was to investigate the perceptions of urban residents on the health co-benefits involving GHG abatement and related influencing factors in three cities in China. Beijing, Ningbo and Guangzhou were selected for this survey. P...

2004
Gang Chen Matthew C. Roberts

Dairy farms confront unique risks from weather conditions. Hot and humid weather induces heat stress, which reduces both the quantity and quality of dairy production. Traditional heat abatement technologies control the environment through ventilation, misting or evaporative cooling. Adoption of abatement equipment, however, is hindered by its high initial cost and possibly long payback period, ...

1998
Lawrence H. Goulder Koshy Mathai

This paper explores the significance of policy-induced technological change for the design of carbon-abatement policies. We derive analytical expressions characterizing optimal CO2 abatement and carbon tax profiles under different specifications for the channels through which technological progress occurs. We consider both R&D-based and learning-by-doing-based knowledge accumulation, and examin...

2005
Malte Schwoon Richard S.J. Tol

The impact of induced technological change (ITC) in energy/climate models on the timing of optimal CO2-abatement depends on whether R&D or learning-by-doing (LBD) is the driving force. Bottom-up energy system models employing LBD suggest strong increases in optimal early abatement. In this paper we extend an existing top-down model supporting this view according to the notion that socio-economi...

2006
Carolyn Fischer Thomas Sterner

We study the importance for climate policy of uncertainty concerning the gravity of climate change and thus the benefits of abatement. In particular, this uncertainty can have different effects on the benefits of early abatement and R&D. We explore these differences, which depend in large part on the curvature of the marginal abatement cost function—prudence, in other words. With convex margina...

Journal: :Journal of environmental quality 2014
P C Roebeling J Rocha J P Nunes T Fidélis H Alves S Fonseca

Coastal aquatic ecosystems are increasingly affected by diffuse source nutrient water pollution from agricultural activities in coastal catchments, even though these ecosystems are important from a social, environmental and economic perspective. To warrant sustainable economic development of coastal regions, we need to balance marginal costs from coastal catchment water pollution abatement and ...

2006
Malte Schwoon

The impact of induced technological change (ITC) in energy/climate models on the timing of optimal CO 2 -abatement depends on whether R&D or learning-by-doing (LBD) is the driving force. Bottom-up energy system models employing LBD suggest strong increases in optimal early abatement. In this paper we extend an existing top-down model supporting this view according to the notion that socio-econo...

2005
David I. Stern DAVID I. STERN

The environmental Kuznets curve (EKC) has been extensively criticized on theoretical and empirical grounds. In this article, the EKC is reformulated as the best practice technology frontier—countries’ distances from the frontier reflect the degree to which they have adopted the best practice technology in emissions abatement. The Kalman filter is used to model the state of sulfur emissions abat...

1999
Ove Wolfgang Ragnar Frisch

In environmental economics it is common to add non-negative constraints on abatement, or equivalently to constrain emissions by some maximum unabated level. However, in this paper it is argued that these assumptions are both physically wrong and complicating. Also, more seriously, such constraints can rule out optimal solutions. For instance, negative NOx abatement can be optimal from the socia...

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