What is the cause for global warming?

July 21, 2014 – 09:22 am

Increasing greenhouse gas levels are enhancing the greenhouse effect and causing global warming.Global warming is the current increase in temperature of the Earth's surface (both land and water) as well as it's atmosphere. Average temperatures around the world have risen by 0.75°C (1.4°F) over the last 100 years about two thirds of this increase has occurred since 1975. In the past, when the Earth experienced increases in temperature it was the result of natural causes but today it is being caused by the accumulation of greenhouse gases in the atmosphere produced by human activities.

The natural greenhouse effect maintains the Earth's temperature at a safe level making it possible for humans and many other lifeforms to exist. However, since the Industrial Revolution human activities have significantly enhanced the greenhouse effect causing the Earth's average temperature to rise by almost 1°C. This is creating the global warming we see today. To put this increase in perspective it is important to understand that during the last ice age, a period of massive climate change, the average temperature change around the globe was only about 5°C.

A long series of scientific research and international studies has shown, with more than 90% certainty, that this increase in overall temperatures is due to the greenhouse gases produced by humans. Activities such as deforestation and the burning of fossil fuels are the main sources of these emissions. These findings are recognized by the national science academies of all the major industrialized countries.

Global warming is affecting many places around the world. It is accelerating the melting of ice sheets, permafrost and glaciers which is causing average sea levels to rise.Around the world, snow and ice is melting at a much faster pace because of global warming. It is also changing precipitation and weather patterns in many different places, making some places dryer, with more intense periods of drought and at the same time making other places wetter, with stronger storms and increased flooding. These changes have affected both nature as well as human society and will continue to have increasingly worse effects if greenhouse gas emissions continue to grow at the same pace as today.

The cause of global warming is the increasing quantity of greenhouse gases in the our atmosphere produced by human activities, like the burning of fossil fuels or deforestation. These activities produce large amounts of greenhouse gas emissions which is causing global warming. Greenhouse gases trap heat in the Earth's atmosphere to keep the planet warm enough to sustain life, this process is called the greenhouse effect. It is a natural process and without these gases, the Earth would be too cold for humans, plants and other creatures to live.

Each day new greenhouse gas emissions further accelerate global warming. Increasing temperatures around the world are making arid and semi-arid areas even more dry than before, accelerating desertification. Since the beginning of the 20th century the rate of sea level rise has roughly tripled in response to global warming. Global warming has been increasing the intensity of cyclones, hurricanes and typhoons.
Source: whatsyourimpact.org
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Popular Q&A
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What are the causes for Global Warming?

Global warming is caused by the increasingly large amounts of CO2 and other air pollution.

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What are the activities caused by global warming?

Increased farming in some areas would be one activity created by global warming. There is also a complete industry being setup to provide alternative energies to combat global warming. Also millons of dollars are spent to politically push the agenda package associated with global warming. This has made thousands of jobs for individuals and companies persuing the agenda.

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What is causing Global Warming? | Yahoo Answers

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