نتایج جستجو برای: population policy

تعداد نتایج: 931784  

2012
Antoni Margalida Ma Àngels Colomer

Biodiversity losses are increasing as a consequence of negative anthropogenic effects on ecosystem dynamics. However, the magnitude and complexity of these effects may still be greatly underestimated. Most Old World vultures have experienced rapid population declines in recent years. In Europe, their immediate conservation depends on changes in health regulations affecting the availability of f...

Journal: :Revista peruana de medicina experimental y salud publica 2012
Luis F Llanos-Zavalaga José E Velásquez-Hurtado Patricia J García Eduardo Gottuzzo

Tuberculosis (TB) persists as a major public health problem in our country. The appearance of resistant strains has complicated its control and questioned the appropriateness of the current measures towards prevention and control. An analysis from social determinants related to TB, converge on irregular treatment that generates disease persistence and appearance of resistance to TB drugs. The o...

2011
Kyle E. Walker Helga Leitner Steve Manson Eric Sheppard

Hundreds of municipalities and counties across the United States have proposed or implemented immigration policies at the local level, ranging from “sanctuary” policies to those designed to exclude undocumented immigrants. Data collected on these policies are presented, and statistically analyzed at the municipal level to interrogate existing hypotheses about factors driving these policy decisi...

2004
James R. Elliott

This research moves beyond preoccupations with deindustrialization, joblessness, and the urban “underclass” to examine the role that cities and urbanization in gen­ eral have played in the reorganization of production and local labor markets. After reviewing recent work on global cities, new industrial districts, and the “new” social division of labor, the author used Census data to examine the...

2010
Pete Smith Peter J. Gregory Detlef van Vuuren Michael Obersteiner Petr Havlík Mark Rounsevell Jeremy Woods Elke Stehfest Jessica Bellarby

A key challenge for humanity is how a future global population of 9 billion can all be fed healthily and sustainably. Here, we review how competition for land is influenced by other drivers and pressures, examine land-use change over the past 20 years and consider future changes over the next 40 years. Competition for land, in itself, is not a driver affecting food and farming in the future, bu...

2001
P. R. Shukla

Despite rapid growth of commercial energy, biomass remains principle energy source in rural and traditional sectors and contributes a third of India's energy. Technologies like biogas and improved cook-stoves exist in India since half a century. The national biomass policy however has a two decades of history, emanating with the rural energy policies. In midseventies decade, a rural energy cris...

Journal: :Annual review of public health 2015
Kerry L Shannon Brent F Kim Shawn E McKenzie Robert S Lawrence

The US food system functions within a complex nexus of social, political, economic, cultural, and ecological factors. Among them are many dynamic pressures such as population growth, urbanization, socioeconomic inequities, climate disruption, and the increasing demand for resource-intensive foods that place immense strains on public health and the environment. This review focuses on the role th...

2017
Tobias Böhmelt Vincenzo Bove

There is an ongoing debate among practitioners and scholars about the security consequences of transnational migration. Yet, existing work has not yet fully taken into account the policy instruments states have at their disposal to mitigate these, and we lack reliable evidence for the e↵ectiveness of such measures. The following research addresses both shortcomings as we analyze whether and to ...

2012
Alessandro Riboni

In modern democracies, public policies are negotiated among elected policymakers. Yet, most macroeconomic models abstract from post-election negotiation. In order to understand the determinants of redistribution, this paper studies legislative bargaining in a growth model where individuals are heterogeneous in their initial capital. Legislators with time-inconsistent preferences negotiate over ...

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