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12 Cards in this Set
- Front
- Back
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What did the U.S. do in regards to the Kyoto Protocol? |
The U.S. was the only developed nation not to ratify the Kyoto Protocol. |
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How is global warming most significantly affecting coral reefs and sea life? |
Increased concentrations of Carbon Dioxide are being absorbed by the ocean. This acidifies the oceans.
-Coral Reefs are dying |
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What is the main reason that sea levels has risen recently? |
Thermal Expansion. When water warms in expands. It is a combination of melting glaciers and expanding water volume, both the result of global warming, that cause sea levels to rise. |
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Why are warming temperatures causing a vicious cycle that leads to more warming? |
Ice and snow reflect light and as they melt Earth absorbs more of the sun's rays.
Earth's albedo decreases as Earth warms and ice and snow melt.
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Why is the global warming potential of carbon dioxide so high when its relative heat trapping ability is so low? |
Because CO2 is more abundant in the atmosphere and therefore contributes more to the greenhouse effect. |
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A substance that contributes to atmospheric cooling is ______. |
Sulfate Aerosols |
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Since the onset of the industrial revolution, global atmospheric concentrations of which gases have shown great increase? |
Methane and Nitrous Oxide |
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What is the Kyoto Protocol sought to limit? |
Greenhouse Gas Emissions |
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______ is a type of indirect evidence that can give clues about environmental conditions of the past. |
Proxy Indicator |
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How long have we been making direct measurements of carbon dioxide concentrations in the atmosphere? |
Since hourly air samples were recorded from a monitoring station in Hawaii in 1958. |
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Growing rice results in the release of ______ into the atmosphere. |
Methane |
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Of the following greenhouse gases, ________ concentrations have increased the most since 1750? |
Methane |
