Carbon Blueprints - Greenhouse Effect

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GLOBAL WARMING - GREENHOUSE EFFECTS
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DISCLAIMER: As you know, Carbon Blueprints is dedicated to accuracy and truth. This site is allowing this discussion, of which each "fact" must be backed up by research and accurate data, in order make sure we know what is true, what is myth, and what is a lie.

WHAT IS THE GREENHOUSE EFFECT:
Greenhouse effect is when heat/energy is trapped in the atmosphere by greenhouse gases. These gases obsorb and trap heat that enters our atmosphere and bounces off the earth's surface. It is an essential part of life on this earth. The heat reradiation is shown down from the sun and when it hits the surface of the earth reflects back into space, but instead of continuing into space it gets trapped in the atmosphere were it collects and heats our environment. Water vapor is the most abundant greenhouse gas, which isn't a bad gas but can still trap heat/energy. Other gases include carbon dioxide, methane, and other gases.

Natural greenhouse effect is a essential effect that occurs on the earth, without it the temperature would fall below 0 degrees Fahrenheit (-18 degrees Celcius) instead of an average of 57 degrees (14 degrees Celcius); too cold for human to have developed in. So the greenhouse effect is not a problem. The problem stems from the question: Does human activity effect Global Warming by leading to increasing Greenhouse gases emission? This can be through burning of fossil fuels, increase industrial farms, and deforestation.

"THEORY" = Prediction for the Future
"MUST CONFIRM WITH DATA" = Data is not in and has not been provided as of yet.

"FACT" = data is in and there is no question.
"CONFLICT" is when both sides have accurate" data but they conflict.

SOURCE:

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AGAINST

SOURCE:

NOAA
(FACT - Natural Process)

The greenhouse effect is unquestionably real and helps to regulate the temperature of our planet. It is essential for life on Earth and is one of Earth's natural processes. It is the result of heat absorption by certain gases in the atmosphere (called greenhouse gases because they effectively 'trap' heat in the lower atmosphere) and re-radiation downward of some of that heat. Water vapor is the most abundant greenhouse gas, followed by carbon dioxide and other trace gases.

NOAA
(FACT - Statement of Importance)

Without a natural greenhouse effect, the temperature of the Earth would be about zero degrees F (-18°C) instead of its present 57°F (14°C). So, the concern is not with the fact that we have a greenhouse effect, but whether human activities are leading to an enhancement of the greenhouse effect by the emission of greenhouse gases through fossil fuel combustion and deforestation.

STANFORD
(MUST CONFIRM WITH DATA)

“Studies indicate that the average global surface temperature has increased by approximately 0.5-1.0°F (0.3-0.6°C) over the last century. This is the largest increase in surface temperature in the last 1,000 years and scientists are predicting an even greater increase over this century. Average global temperatures may increase by 1.4-5.8ºC (that's 2.5 - 10.4º F) by the end of the 21st century.”

NOAA - Green-house gases increasing.

(FACT - Reading Reported)

Human activity has been increasing the concentration of greenhouse gases in the atmosphere (mostly carbon dioxide from combustion of coal, oil, and gas; plus a few other trace gases). There is no scientific debate on this point. Pre-industrial levels of carbon dioxide (prior to the start of the Industrial Revolution) were about 280 parts per million by volume (ppmv), and current levels are greater than 380 ppmv and increasing at a rate of 1.9 ppm yr-1 since 2000. The global concentration of CO2 in our atmosphere today far exceeds the natural range over the last 650,000 years of 180 to 300 ppmv.

UCS - UNION OF CONCERNED SCIENTISTS - What does the greenhouse effect have to do with global warming?

(MUST CONFIRM WITH DATA)

The "greenhouse effect" refers to the natural phenomenon that keeps the Earth in a temperature range that allows life to flourish. The sun's enormous energy warms the Earth's surface and its atmosphere. As this energy radiates back toward space as heat, a portion is absorbed by a delicate balance of heat-trapping gases in the atmosphere—among them carbon dioxide and methane—which creates an insulating layer. With the temperature control of the greenhouse effect, the Earth has an average surface temperature of 59°F (15°C). Without it, the average surface temperature would be 0°F (-18°C), a temperature so low that the Earth would be frozen and could not sustain life.

"Global warming" refers to the rise in the Earth's temperature resulting from an increase in heat-trapping gases in the atmosphere.

NATIONAL GEOGRAPHIC - Greenhouse Effect on the Earth

(PARTIAL FACT, MUST CONFIRM REST WITH DATA)

Scientists have known about the greenhouse effect since 1824, when Joseph Fourier calculated that the Earth would be much colder if it had no atmosphere. This greenhouse effect is what keeps the Earth's climate livable. Without it, the Earth's surface would be an average of about 60 degrees Fahrenheit cooler. In 1895, the Swedish chemist Svante Arrhenius discovered that humans could enhance the greenhouse effect by making carbon dioxide, a greenhouse gas. He kicked off 100 years of climate research that has given us a sophisticated understanding of global warming.

Levels of greenhouse gases (GHGs) have gone up and down over the Earth's history, but they have been fairly constant for the past few thousand years. Global average temperatures have stayed fairly constant over that time as well, until recently. Through the burning of fossil fuels and other GHG emissions, humans are enhancing the greenhouse effect and warming Earth.

Scientists often use the term "climate change" instead of global warming. This is because as the Earth's average temperature climbs, winds and ocean currents move heat around the globe in ways that can cool some areas, warm others, and change the amount of rain and snow falling. As a result, the climate changes differently in different areas.

NATIONAL GEOGRAPHIC - There is a natural change in average temperature that also happens.

(PARTIAL FACT, MUST CONFIRM REST WITH DATA)

FOA - FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS - Livestock a major and biggest threat to environment

(CONFIRMED WITH DATA)

According to a new report published by the United Nations Food and Agriculture Organization, the livestock sector generates more greenhouse gas emissions as measured in CO2 equivalent – 18 percent – than transport. It is also a major source of land and water degradation.

Says Henning Steinfeld, Chief of FAO’s Livestock Information and Policy Branch and senior author of the report: “Livestock are one of the most significant contributors to today’s most serious environmental problems. Urgent action is required to remedy the situation.”

With increased prosperity, people are consuming more meat and dairy products every year. Global meat production is projected to more than double from 229 million tonnes in 1999/2001 to 465 million tonnes in 2050, while milk output is set to climb from 580 to 1043 million tonnes.

NASA - GISS - GODDARD INSTITUTE OF SPACE STUDIES - Climate Warming through Greenhouse gases are raising the sea level.

(MUST CONFIRM WITH DATA)

Climate warming is expected to result in rising sea level. Should this occur, coastal cities, ports, and wetlands would be threatened with more frequent flooding, increased beach erosion, and saltwater encroachment into coastal streams and aquifers. Global sea level has fluctuated widely in the recent geologic past. It stood 4-6 meters above the present during the last interglacial period, 125,000 years ago, but was 120 m lower at the peak of the last ice age, around 20,000 years ago. A study of past sea level fluctuations provides a longer-term geologic context, which can help us better anticipate future trends.