Global Warming

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What is Global Warming?

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Global warming refers to the long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.

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What are greenhouse gases?

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Greenhouse gases are gases in the atmosphere that trap heat, including carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

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How does the greenhouse effect work?

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The greenhouse effect occurs when the sun's energy reaches the Earth, and some of it is reflected back to space while the rest is absorbed and re-radiated as heat. Greenhouse gases trap some of this heat, keeping the planet warm.

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What is the role of carbon dioxide in global warming?

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Carbon dioxide is a major greenhouse gas that contributes to global warming by trapping heat in the atmosphere.

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What human activities contribute to increased greenhouse gas emissions?

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Burning fossil fuels for energy, deforestation, and industrial processes are major human activities that increase greenhouse gas emissions.

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What is the impact of rising temperatures on ocean life?

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Rising temperatures can lead to coral bleaching, altered fish migration patterns, and disrupted marine ecosystems.

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What are indicator species?

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Indicator species are organisms used to assess the health of an ecosystem, as their presence or absence reflects environmental conditions.

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Why are bees considered a keystone species?

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Bees are considered a keystone species because they pollinate plants, which are essential for food production and maintaining biodiversity.

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What is the relationship between temperature and dissolved oxygen levels in water?

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As water temperature increases, dissolved oxygen levels typically decrease, affecting aquatic life.

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What is deforestation and how does it relate to global warming?

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Deforestation is the clearing of forests, which reduces the number of trees that can absorb CO2, thus contributing to global warming.

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