The A to Z of global warming
The issue of climate change has sparked debate weighing the benefits of limiting industrial emissions. There have been discussions in several countries about the cost and benefits of adopting alternative energy sources to reduce carbon emissions.
THE INCREASE in atmospheric greenhouse gases due to human activity has caused most of global warming observed since the start of the industrial era and land use changes. Various scientific studies indicate that serious increase in greenhouse gas concentrations have occurred for which the measurements exist.
The greenhouse effect is the process by which absorption and emission of heat radiation by atmospheric gases warm Earth’s lower atmosphere and surface.
Existence of the greenhouse effect as such is not disputed. The question is instead how the strength of the greenhouse effect changes when human activity increases the atmospheric concentrations of particular greenhouse gases leading to climate change.
The issue of climate change has sparked debate weighing the benefits of limiting industrial emissions. There have been discussions in several countries about the cost and benefits of adopting alternative energy sources in order to reduce carbon emissions.
Here is the A to Z of global warming:
A: Anti-greenhouse effect that stands for the cooling effect an atmosphere has on the ambient temperature of the planet.
B: Black carbon - an aerosol that changes net irradiance at the tropopause.
C: Climate change is the changes of climate in general due to of human influence and activities or anthropogenic.
D: Desertification - the degradation of land in arid and dry sub-humid areas, resulting primarily from natural activities and influenced by climatic variations.
E: Emission standards -- requirements that set specific limits to the amount of pollutants that can be released into the environment.
F: Feedbacks -- either amplification (positive feedback) or a reduction (negative feedback) of the rate of global warming caused by its effects.
G: Greenhouse gas -- a mixture of gases that cause the greenhouse effect.
H: Holocene Climatic Optimum -- a warm period during roughly the interval 9,000 to 5,000 years B.P.
I: Irradiance -- amount of electromagnetic radiation reaching a surface, measured in watts per square meter.
K: Kyoto Protocol – international agreement on greenhouse gas emissions.
L: Little Ice Age -- a period of cooling occurring after a warmer era known as the medieval climate optimum.
M: Methane -- a Greenhouse gas released by enteric fermentation in live stock, rice production, and fossil fuel extraction.
N: Nitrous oxide (N2O) -- a potent greenhouse gas, besides carbon dioxide (CO2), produced primarily in agriculture, particularly by the livestock sector
O: Ozone depletion -- not strongly connected to climate change but allows harmful ultra-violet rays.
P: Polar amplification -- greater temperature increases in the Arctic compared to the earth as a whole. It does not apply to the Antarctic
Q: Question is how the strength of the greenhouse effect changes when human activity increases the atmospheric concentrations of particular greenhouse gases.
R: Runaway greenhouse effect -- somewhat ill-defined term, associated with the idea of large irreversible temperature rises.
S: Slash and burn -- form of deforestation used to clear fields for agriculture use.
T: Tipping point -- the point at which change due to human activity brings about sufficient new processes in nature to make any human reversal of the change impossible.
U: Urban heat island -- a metropolitan area which is significantly warmer than its surroundings
V: Vapour of water form about 36–70 percent of the greenhouse gas at various locations.
W: World’s primary international agreement on combating global warming is the Kyoto Protocol.
X: XL or extra-large measures at every level to mitigate the effects of climate change.
Y: Yield not to the greed but your need and buy only the durables.
Z: Zero tolerance to pollution causing practices.
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