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brisbane city council`s response to climate change and improving
brisbane city council`s response to climate change and improving

... storing around 1.9 million tonnes of carbon and sequestering another 1.45-1.6 million tonnes of carbon dioxide per year. That was equivalent to around 10 percent of total greenhouse gas emission levels in 1999. Of even greater significance were the benefits of those trees growing closest to where we ...
behaviour_change
behaviour_change

... education. Climate change is counterintuitive; it is faraway; it is global; it is difficult science with dangerous uncertainties; it is often intuitively contradicted by local data, by sensory data. We have a cold summer here, more rain there, do people then abandon the idea that global warming exis ...
Voluntary Carbon Offsets
Voluntary Carbon Offsets

... based on emission reductions have a permanent impact while those based on sequestration may not. For example, carbon sequestered in a newly created forest can be lost in the future due to deforestation or fire. Forest carbon sequestration projects, although possibly temporary by nature, do offer som ...
CO2 Reduction beyond 20% COM(2010)
CO2 Reduction beyond 20% COM(2010)

... Analysis, in German only]. The Commission is afraid that this EU-ETS practice might slow down incentives for innovation in the EU. To this end, it wishes to substitute part of the credits with new sectoral credits for projects with a greater reduction potential (e.g. in the power sector in advanced ...
Scaling
Scaling

... 1. NOT a new idea, known for a very long time. 2. Climate change science is a systems science, can’t be reductionist. 3. Models confirm that warming over past decades cannot be explained by natural forcings, CO2 emitted by humans has caused the warming. 4. Many possible CO2 futures 5. Under worst ca ...
Climate Change and its Effects on Humans
Climate Change and its Effects on Humans

... oceans and the melting of ice sheets and glaciers (IPCC 2007a). Recent research efforts estimate a global sea level rise of between 50 cm and 190 cm from 1990 to 2100 (see Vermeer and Rahmstorf 2009). There are several parts of the Gulf of Maine coast line that are classified as highly sensitive to ...
Impacts of marine instability across the East Antarctic Ice Sheet on
Impacts of marine instability across the East Antarctic Ice Sheet on

... The Fifth Assessment Report of the Intergovernmental Panel on Climate Change highlights the fact that current and future anthropogenic greenhouse gas emissions are likely to affect the Earth’s climate for millennia to come (Collins et al., 2013). One major uncertainty relates to how the marinebased ...
Climate policy implications of the hiatus in global warming
Climate policy implications of the hiatus in global warming

... Climate models were used to backcast, or reproduce, temperatures for the past centuries. The 1900–2000 portion of the red line is not a “prediction,” instead it is the outcome of a matching process that goes back and forth between measurements of the climate and development of the climate simulation ...
Equivalence and Issue Framing Effects
Equivalence and Issue Framing Effects

... This increase in concentration of carbon dioxide is the result of burning fossil fuels, deforestation, and other human activities (Ibid). Burning fossil fuels is the primary source of anthropogenic carbon dioxide released into the atmosphere. The burning of these fuels is significant because they co ...
Activity 2.2: Historical Climate Cycles
Activity 2.2: Historical Climate Cycles

... activity has not increased during the half-century since 1950. As for cosmic rays, they have been measured since the 1950s and likewise show no long-term trend. The continuing satellite measurements of the solar constant found it cycling within narrow limits, scarcely one part in a thousand. However ...
Climate Change on the Millennial Timescale
Climate Change on the Millennial Timescale

... timescale, more than quadruple the 0.9–3.7°C they predicted on the centennial timescale, and more than double the 1.4–5.8°C the IPCC predict for the centennial timescale. At the UK scale, warming is 1.2–10°C on the millennial timescale compared to 1–2°C on the centennial timescale or 1–5°C from UKCI ...
Resilience Business-not-as- usual: Tackling the impact of climate
Resilience Business-not-as- usual: Tackling the impact of climate

... How serious is the risk of climate change from increased temperatures? It is not such a far-fetched issue as many thought. The latest update from the World Bank is that the global mean temperature has already increased by 0.8oC above pre-industrial levels. We can also look at estimates of global ins ...
PDF
PDF

... Intergovernmental Panel on Climate Change (IPCC SRES, 2000) projects deforestation of tropical forests to release 79-332 Gt CO2, by 2050. In fact, the prominence of the climate change issue in the international political arena has fostered increasing concern regarding forests’ ability to regulate cl ...
Climate Thermodynamics
Climate Thermodynamics

... constant insolation. What is then the main factor determining the lapse rate? Is it radiation or thermodynamics, or both? Climate alarmism as advocated by IPCC is based on the assumption that radiation alone sets an initial lapse rate of 10 C/km, which then in reality is moderated by thermodynamics ...
Glossary of Terms and Definitions on Climate Change and Adaptation
Glossary of Terms and Definitions on Climate Change and Adaptation

... is the reference gas against which other greenhouse gases are measured, thus having a Global Warming Potential of 1. Carbon Footprint All greenhouse gas emissions associated with an individual’s or organisation’s activities. Carbon Sequestration The removal and storage of carbon from the atmosphere ...
Environmental Effects Assessment Panel, EEAP Environmental
Environmental Effects Assessment Panel, EEAP Environmental

... • Higher temperatures likely lead to more skin cancers • For the same UV irradiance: for every 10C increase, estimated 3-6% increase in skin cancers Several indications of further interactions • Increase in certain infectious diseases (malaria, Lyme) • Increase in allergic diseases • Suppression of ...
climate change on water resources
climate change on water resources

... 1. Where precipitation decreases, the net supplies decreases increase in water demand particularly in areas like agriculture 2. Changes in streamflow have important implications for water and flood management, irrigation and planning  Water Quality 1. Where steamflow fall, there will be less diluti ...
The Critical Decade: Tasmanian impacts and
The Critical Decade: Tasmanian impacts and

... and there has been greater variability in rainfall year-toyear since 1975 (Grose et al., 2010; BOM/ACSC, 2011). These changes – warmer temperatures and changing rainfall – are expected to continue. The number of days warmer than 25°C is projected to double or triple in most regions of Tasmania. Some ...
Leaflet
Leaflet

... and incentives that encourage farmers to adopt better agricultural and land use practices. Agriculture is not only the victim of climate change, it is also a source of greenhouse gases. Crop production and livestock release greenhouse gases into the air and are responsible for an important part of t ...
Environmental Structure And Function: Climate System
Environmental Structure And Function: Climate System

... the hydrological cycle of evaporation, condensation, precipitation and water flow. It also is the indirect source of the kinetic energy inherent in the atmospheric motion, ocean currents and storms. However, like an internal combustion engine, the climate system also needs a mechanism for dispensing ...
climate in change nature and society challanges for the barents
climate in change nature and society challanges for the barents

... hurricanes. At the same time the sea level is rising, because warmer water demands more space and because inland ice in the Arctic is melting. Human activities, with high fossil fuel consumption, intense land-use and changes in use of area have resulted in the present concentrations of greenhouse ga ...
Presentation during Rio+20
Presentation during Rio+20

... Total GHG emitted ...
Concerns On The IPCC Report: The Actual State Of Climate Science
Concerns On The IPCC Report: The Actual State Of Climate Science

... outstripping worse-case scenario models that were developed only a few years ago.” Secretary of State Hillary Clinton http://www.cnn.com/2009/POLITICS/04/27/us.global.warming/ http://www.cnn.com/2009/POLITICS/04/27/us.global.warming/ ...
Geology 110: Earth and Space Science
Geology 110: Earth and Space Science

... #20: You are selected to serve on a Presidential panel to review the consequence for the United States of an abrupt climate change that would either raise or lower global temperatures by 5 to 10 oC in a decade. Your job is to work with the other panel members to plan how to adjust to the impact of s ...
An Open Letter from Oregon Climate Change Scientists -
An Open Letter from Oregon Climate Change Scientists -

... that climate change compromises our quality of life and threatens our state’s future. We need your leadership now more than ever to reduce the risks of a dangerously warming climate. The science is clear that human activity is the dominant cause of warming over the last half century.1 If global heat ...
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Climate change feedback



Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each climate forcing, and so play an important part in determining the climate sensitivity and future climate state. Feedback in general is the process in which changing one quantity changes a second quantity, and the change in the second quantity in turn changes the first. Positive feedback amplifies the change in the first quantity while negative feedback reduces it.The term ""forcing"" means a change which may ""push"" the climate system in the direction of warming or cooling. An example of a climate forcing is increased atmospheric concentrations of greenhouse gases. By definition, forcings are external to the climate system while feedbacks are internal; in essence, feedbacks represent the internal processes of the system. Some feedbacks may act in relative isolation to the rest of the climate system; others may be tightly coupled; hence it may be difficult to tell just how much a particular process contributes. Forcings, feedbacks and the dynamics of the climate system determine how much and how fast the climate changes. The main positive feedback in global warming is the tendency of warming to increase the amount of water vapor in the atmosphere, which in turn leads to further warming. The main negative feedback comes from the Stefan–Boltzmann law, the amount of heat radiated from the Earth into space changes with the fourth power of the temperature of Earth's surface and atmosphere.Some observed and potential effects of global warming are positive feedbacks, which contribute directly to further global warming. The Intergovernmental Panel on Climate Change's (IPCC) Fourth Assessment Report states that ""Anthropogenic warming could lead to some effects that are abrupt or irreversible, depending upon the rate and magnitude of the climate change.""
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