نتایج جستجو برای: global warming potential

تعداد نتایج: 1480873  

Journal: :Public understanding of science 2014
Jay D Hmielowski Lauren Feldman Teresa A Myers Anthony Leiserowitz Edward Maibach

There is a growing divide in how conservatives and liberals in the USA understand the issue of global warming. Prior research suggests that the American public's reliance on partisan media contributes to this gap. However, researchers have yet to identify intervening variables to explain the relationship between media use and public opinion about global warming. Several studies have shown that ...

2003
Arkady Kryazhimskiy Vyacheslav Maksimov

The study is motivated by the problem of stabilizing the concentration of atmospheric carbon, which is widely discussed in the context of global warming nowadays. A key difficulty in the design of stabilization strategies is the uncertainty of the underlying physical model. In the present paper, a general problem setting is suggested and a relevant alanytic framework elaborated. Analysis employ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2001
M L Rosenzweig

Human activities have greatly reduced the amount of the earth's area available to wild species. As the area they have left declines, so will their rates of speciation. This loss of speciation will occur for two reasons: species with larger geographical ranges speciate faster; and loss of area drives up extinction rates, thus reducing the number of species available for speciation. Theory predic...

2011
Dingcheng Huang Robert A. Haack Runzhi Zhang

BACKGROUND The establishment rate of invasive alien insect species has been increasing worldwide during the past century. This trend has been widely attributed to increased rates of international trade and associated species introductions, but rarely linked to environmental change. To better understand and manage the bioinvasion process, it is crucial to understand the relationship between glob...

2016
Ping Zhao Bin Wang Jiping Liu Xiuji Zhou Junming Chen Sulan Nan Ge Liu Dong Xiao

When floods ravage Asian monsoon regions in summer, megadroughts often attack extratropical North America, which feature an intercontinental contrasting precipitation anomaly between Asia and North America. However, the characteristics of the contrasting Asian-North American (CANA) precipitation anomalies and associated mechanisms have not been investigated specifically. In this article, we fir...

2015
Stephan Lewandowsky James S. Risbey Naomi Oreskes

Recent public debate and the scientific literature have frequently cited a "pause" or "hiatus" in global warming. Yet, multiple sources of evidence show that climate change continues unabated, raising questions about the status of the "hiatus". To examine whether the notion of a "hiatus" is justified by the available data, we first document that there are multiple definitions of the "hiatus" in...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2001
J E Hansen M Sato

The growth rate of climate forcing by measured greenhouse gases peaked near 1980 at almost 5 W/m(2) per century. This growth rate has since declined to approximately 3 W/m(2) per century, largely because of cooperative international actions. We argue that trends can be reduced to the level needed for the moderate "alternative" climate scenario ( approximately 2 W/m(2) per century for the next 5...

2017
Anastasios A. Tsonis

Very often, when I talk to the public or the media about “global warming”, they ask me if I believe in global warming. This unfortunate question is apparently very popular among scientists as well. And I say ‘unfortunate’ because when we are dealing with a scientific problem ‘believing’ has no place. In science we either ‘prove’ or ‘disprove’. We ‘believe’ only when we cannot possibly prove a t...

2017
Rob Bellamy Javier Lezaun

In a short period of time, climate 'geoengineering' has been added to the list of technoscientific issues subject to deliberative public engagement. Here, we analyse this rapid trajectory of publicization and explore the particular manner in which the possibility of intentionally altering the Earth's climate system to curb global warming has been incorporated into the field of 'public engagemen...

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