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Slide 1
Slide 1

... areas of the region due to projected regional warming and increases in cool season precipitation. •Regional climate models offer more physically based assessment tools for understanding the potential changes in nature of extreme storms (such as atmospheric rivers), the timing of flooding, and a pote ...
The Development Climate: Convenient and
The Development Climate: Convenient and

... trajectories of accumulation and consumption. Because the world is finite, deeply unequal, and already warming at rates faster than the InterGovernmental Panel on Climate Change’s (IPCC) conservative estimates, the notion of ‘green accumulation’ is an oxymoron. From the ‘development’ perspective, cu ...
The Impact of Global Warming on North Carolina
The Impact of Global Warming on North Carolina

... more common, threatening residential developments in the mountains. The state’s $4.5 billion agricultural sector will be threatened and increased temperatures could reduce corn and soybean yields by 25% (Environmental Entrepreneurs, 2005). Other potential impacts may include loss of cold water ecosy ...
Environment and Natural Resources Trust Fund 2016 Request for
Environment and Natural Resources Trust Fund 2016 Request for

...   Project Title: High Resolution Climate Projections to Aid Planning Efforts  PROJECT TITLE: High Resolution Climate Projections to Aid Planning Efforts  ...
Use and Abuse of Excess CO2 – An Overview
Use and Abuse of Excess CO2 – An Overview

... global warming and climate change. Atmospheric CO2 Over the last 100 years, concentration of atmospheric Carbon dioxide (CO2) has increased from about 280 ppm to 390 ppm and the majority of these additions have occurred in the last 50 years (Fig-1). Though the anthropogenic cause of rise in temperat ...
Policymaker Summary
Policymaker Summary

... Scientific Assessment of Climate Change the same period global sea level has increased by 1020 c m . These increases have not been smooth with time, nor uniform over the globe. The size o f this warming is broadly consistent with predictions of climate models, but it is also of the same magnitude a ...
CO2, the greenhouse effect and global warming: from the
CO2, the greenhouse effect and global warming: from the

... literature. Gregor Betz, for example, remarks that ‘‘it’s not even clear that discrete simulations yield individually plausible or relevant projections.’’5 In this article, we delve into the history of climate science, notably the early ‘‘pen-and-paper’’ models of planetary energy budget by Svante A ...
File - COSEE Florida
File - COSEE Florida

... Part of warming due to anthropogenic greenhouse (heattrapping) gases such as CO2 ...
ppt
ppt

...  Raised CO2 levels are already having a direct influence on the water balance at the land surface.  As the direct CO2 effect reduces surface energy loss due to evaporation, it is likely to add to surface warming as well as increasing freshwater availability.  The existence of a direct CO2 signal ...
Intended National Determined Contribution (INDC)
Intended National Determined Contribution (INDC)

... Tanzania has negligible emissions of greenhouse gases (total and per capita), whereby per capita emissions are estimated at 0.2 tCO2e1. On the other hand, the country has a total of 88 million hectares of land areas, of which 48.1 million are forested land and under different management regimes, wit ...
UC Carbon Neutrality Summit Resource List
UC Carbon Neutrality Summit Resource List

... Study: MIT Air pollution causes 200,000 early deaths each year in the U.S. (2014) Description: A MIT study that found that air pollution in the United States accounts for about 200,000 premature deaths each year. The study found that more than 100,000 of those deaths were from emissions from road t ...
Climate Change Prediction: A challenging scientific problem
Climate Change Prediction: A challenging scientific problem

... Whilst important for understanding the causes of climate change, such timescales are of less interest to the development of human societies. Considerable effort has been devoted to using proxy information, such as from tree rings, to estimate change over the past 1000 years or so and the climate app ...
The use of a Malmquist Index to assess the impacts of climate
The use of a Malmquist Index to assess the impacts of climate

... In order to measure changes in TFP we employ a Malmquist Productivity Index introduced by Malmquist (1953). The development and economic interpretation of the concept within the context of production theory was given by Caves et al. (1982). An input – oriented Malmquist Index (MI) was calculated for ...
CLIMATIC EXPOSURE OF FORESTS IN THE CARPATHIANS
CLIMATIC EXPOSURE OF FORESTS IN THE CARPATHIANS

... Eastern Carpathians in Romania. Projected change in EQ shows similar large scale pattern in all RCMs used, regional differences are however more distinct as compared with ABT (Annex 2 c,d,e,f). There is a remarkable trend in EQ difference between the distant and reference climate, increasing from th ...
United Nations Framework Convention on Climate Change [UNFCCC]
United Nations Framework Convention on Climate Change [UNFCCC]

...  The Convention further stipulates that “such a level should be achieved within a time-frame sufficient to allow ecosystems to adapt naturally to climate change, to ensure that food production is not threatened, & to enable economic development to proceed in a sustainable manner.”3 ...
Climate change indices
Climate change indices

... These workshops are making a clear contribution to our understanding of how climate extremes are changing around the world. In addition to the indepth peer-reviewed regional papers, the indices analysed at each of the workshops are contributing to two global extremes papers. Thanks largely to these ...
Protecting the Atmosphere
Protecting the Atmosphere

... Fortunately, solutions to global atmospheric problems are often the very same measures needed to combat local and regional air pollution—not the focus here, but key problems nonetheless. On all these related fronts, the most important step that any nation can take is gradually relying more on renewa ...
PowerPoint
PowerPoint

... Describe factors that affect how the sun warms the Earth Discuss the role of wind patterns in determining climate Explain how the oceans affect climate Describe how climate is affected by topography, volcanoes, regional vegetation, and periodic changes in Earth’s orbit Vocabulary: greenhouse effect ...
PDF
PDF

... notes that the scenarios assume no change in "the frequency of events, such as, heat waves, storms, hurricanes, and droughts in various regions, which would have affected the results presented in this report" [ibid xxix]. The scenarios also assume that climate variability does not change from recent ...
Russia and Neighbouring Countries: Environmental, Economic and
Russia and Neighbouring Countries: Environmental, Economic and

... Permafrost covers about 25 percent of the North Hemisphere and more than 60 percent of Russia’s territory. Since the 1970s scientists have tracked the rising temperatures and the deepening of permafrost’s summer thawing. In several regions the permafrost area has been shrinking. These changes are se ...
Zero Carbon, Zero Poverty the Climate Justice Way
Zero Carbon, Zero Poverty the Climate Justice Way

... business as usual fossil fuel based growth has not yielded an equitable and prosperous world for all. There is now increasing evidence that development is not, as many would have us believe, contingent upon fossil fuels and carbon emissions. However, development does require access to energy. The ov ...
T The Social coST of carbon
T The Social coST of carbon

... countries since the late 1940s. Many of those changes—such as remarkable increases in productivity and the pace of technological innovation—are known to have boosted per-capita gDp. Such changes must be statistically controlled if one is to isolate the effect of average surface temperature on real g ...
massaChusetts` rising eConomiC risk from Climate
massaChusetts` rising eConomiC risk from Climate

... before making landfall, one can expect Category 3 storms to become more frequent, while over the same period, the frequency of the less intense Category 1-2 hurricanes is projected to diminish by 38 percent. These changes are unlikely to be steady trends, since the most intense hurricanes strike New ...
The Earth System
The Earth System

Rapid and significant sea-level rise expected if global warming
Rapid and significant sea-level rise expected if global warming

... climb for centuries into the future, even after concentrations of greenhouse gases in the atmosphere have been stabilised. This study, partly conducted under the EU RISES-AM project1, projected sea-level rise around the world under global warming of 2 °C (widely considered to be the threshold for da ...
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Attribution of recent climate change



Attribution of recent climate change is the effort to scientifically ascertain mechanisms responsible for recent changes observed in the Earth's climate, commonly known as 'global warming'. The effort has focused on changes observed during the period of instrumental temperature record, when records are most reliable; particularly in the last 50 years, when human activity has grown fastest and observations of the troposphere have become available. The dominant mechanisms (to which recent climate change has been attributed) are anthropogenic, i.e., the result of human activity. They are: increasing atmospheric concentrations of greenhouse gases global changes to land surface, such as deforestation increasing atmospheric concentrations of aerosols.There are also natural mechanisms for variation including climate oscillations, changes in solar activity, and volcanic activity.According to the Intergovernmental Panel on Climate Change (IPCC), it is ""extremely likely"" that human influence was the dominant cause of global warming between 1951 and 2010. The IPCC defines ""extremely likely"" as indicating a probability of 95 to 100%, based on an expert assessment of all the available evidence.Multiple lines of evidence support attribution of recent climate change to human activities: A basic physical understanding of the climate system: greenhouse gas concentrations have increased and their warming properties are well-established. Historical estimates of past climate changes suggest that the recent changes in global surface temperature are unusual. Computer-based climate models are unable to replicate the observed warming unless human greenhouse gas emissions are included. Natural forces alone (such as solar and volcanic activity) cannot explain the observed warming.The IPCC's attribution of recent global warming to human activities is a view shared by most scientists, and is also supported by 196 other scientific organizations worldwide (see also: scientific opinion on climate change).
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