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What effect has the Montreal Protocol had on CFC levels in the atmosphere?
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∙ 10y ago
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∙ 10y ago
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Can the ozone grow back?
Yes. Since the Montreal Protocol to phase out CFC emissions was signed in 1989 levels of this dangerous man-made gas in the atmosphere are falling. Scientists think the ozone layer will return to its original levels by about 2050.
What was goal of the Montreal protocol?
To encourage research into substitutes for chlorofluorocarbons. Recycle existing chlorofluorocarbons rather than release them into the air and reduce the amount of the new production of chlorofluorocarbons in developed countries.The Montreal Protocol is an international treaty designed to help protect the ozone layer. Its objectives include phasing out CFCs and HCFCs which are both harmful to the earth.The Kyoto Protocol is a legally binding agreement that all countries signed. It came into effect in 2005 and its aim is to reduce greenhouse gas emissions to lower levels in the atmosphere. All countries are now making efforts to reduce their emissions. (The US refused to ratify this convention, and Canada withdrew from it in 2011.)
Is the greenhouse effect increasing sea levels?
The natural greenhouse effect is not raising sea levels, but the enhanced (or accelerated) greenhouse effect which is causing global warming, is. The warmer atmosphere is melting glaciers and expanding the water in the oceans, so sea levels are rising.
What happens when greenhouse gas levels in the atmosphere decrease?
Green house effect causesthe temperature. temperature will decrease if gas levels down.
What is it called when there are high levels of carbon dioxide?
An enhanced (or accelerated) greenhouse effect in the atmosphere which is causing global warming.
What can High levels of ozone in the atmosphere cause?
High levels of ozone in the atmosphere can cause
What causes high levels of ozone in the atmosphere?
High levels of ozone in the atmosphere can cause
What are the international norms to regulate CO2 emissions?
The Kyoto Protocol is a legally binding agreement that all nations signed to reduce carbon dioxide levels in the atmosphere. The USA refused to ratify it and Canada withdrew from it in 2011.
Will increased co2 levels cause climate to cool?
No, in fact, the opposite will happen. Increased carbon dioxide (CO2) levels in the atmosphere are producing an enhanced (or accelerated) greenhouse effect which is causing global warming.
What is the effect of higher levels of greenhouse gases?
More greenhouse gases trap more heat in the atmosphere, causing a global warming and climate change.
What effect would over-logging of trees have on the amount of carbon dioxide in the atmosphere?
Over-logging of trees means that they can no longer remove carbon dioxide from the atmosphere. This has actually happened and levels of carbon dioxide are building up in the atmosphere causing global warming.
What effect would over logging of trees have on the amount of carbon dioxide in the atmosphere?
Over-logging of trees means that they can no longer remove carbon dioxide from the atmosphere. This has actually happened and levels of carbon dioxide are building up in the atmosphere causing global warming.
