Global Warming Overview and Causes

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Questions and Answers

What is released into the atmosphere when forests are cut down?

CO2 previously stored in trees.

Name one agricultural process that contributes to greenhouse gas emissions.

Livestock produce methane.

What are some natural extreme climate changes linked to global warming?

Floods, droughts, and storms.

How does global warming threaten public health?

<p>It increases risks of heat-related illnesses and respiratory problems.</p> Signup and view all the answers

What international agreement focuses on emission reduction targets?

<p>The Paris Agreement.</p> Signup and view all the answers

How does global warming affect water supply?

<p>It leads to reduced water supply due to droughts and glacial melt.</p> Signup and view all the answers

What economic sectors are impacted by global warming?

<p>Agriculture and tourism.</p> Signup and view all the answers

What is a primary source of greenhouse gases related to human activities?

<p>The burning of fossil fuels.</p> Signup and view all the answers

What is global warming?

<p>Global warming is the gradual increase in the Earth's average surface temperature.</p> Signup and view all the answers

Identify one major trigger of global warming.

<p>The burning of fossil fuels is a major trigger of global warming.</p> Signup and view all the answers

How does deforestation contribute to global warming?

<p>Deforestation reduces the number of trees that can absorb CO2, increasing greenhouse gas levels in the atmosphere.</p> Signup and view all the answers

What was significant about the year 2023 in terms of global temperature records?

<p>The year 2023 was recorded as one of the hottest years on record.</p> Signup and view all the answers

What role do greenhouse gases play in global warming?

<p>Greenhouse gases trap heat in the Earth's atmosphere, leading to an increase in surface temperature.</p> Signup and view all the answers

List one effect that global warming has on the environment.

<p>Global warming can lead to rising sea levels and increased frequency of extreme weather events.</p> Signup and view all the answers

What aspect of energy consumption has increased significantly since the late 1750s?

<p>The use of coal, petrol, and natural gas for energy generation has increased significantly.</p> Signup and view all the answers

What percentage of the population was reportedly affected by global warming trends?

<p>Approximately 20% of the population is impacted by global warming trends.</p> Signup and view all the answers

Flashcards

What is Global Warming?

The gradual and continuous increase in the Earth's average surface temperature.

What triggers Global Warming?

The release of harmful gases, such as carbon dioxide, into the atmosphere, trapping heat and causing the Earth's temperature to rise.

How do burning fossil fuels contribute to global warming?

Burning fossil fuels like coal, oil, and natural gas for energy. This releases large amounts of carbon dioxide into the atmosphere.

How does deforestation contribute to global warming?

The cutting down of trees. Forests absorb carbon dioxide, so deforestation reduces the Earth's ability to absorb it.

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Climate Change

The long-term shifts in weather patterns and average temperatures across the globe, caused by factors like greenhouse gas emissions.

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How is global warming related to climate change?

Global warming is a major contributor to climate change, as rising temperatures cause extreme weather events, rising sea levels, and other changes in the Earth's climate.

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Why is it important to address Global Warming?

Global warming is a real and pressing issue, and it's crucial to take action to reduce greenhouse gas emissions and protect our planet.

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Global warming vs. Climate Change?

Global warming is not the same as climate change. Global warming refers to the increase in Earth's average temperature, while climate change encompasses all the long-term changes in weather patterns and temperatures.

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Greenhouse Effect

The trapping of heat in the Earth's atmosphere caused by gases like CO2, methane, and nitrous oxide.

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Greenhouse Gas Emissions

Human activities that increase the amount of greenhouse gases in the atmosphere, leading to global warming.

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Deforestation

The process of cutting down forests, releasing stored CO2 back into the atmosphere.

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Fossil Fuel Combustion

Burning fossil fuels like coal, oil, and natural gas releases CO2 and other greenhouse gases.

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Economic Impacts of Climate Change

Impacts on agriculture, tourism, and other economic sectors due to climate change.

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Paris Agreement

The Paris Agreement is an international treaty aimed at reducing greenhouse gas emissions and preventing dangerous climate change.

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Climate Change Mitigation

Efforts by governments and businesses to address climate change through policies, investments, and technological innovation.

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Study Notes

Global Warming Overview

  • Global warming is the gradual increase in Earth's average surface temperature.
  • The 2023 was the hottest year on record.
  • 20% of emissions are contributing to the current trend.
  • 3.6 billion people are affected.
  • Global warming and climate change are different but related concepts.

Causes of Global Warming

  • Burning fossil fuels (coal, oil, and natural gas) releases significant carbon dioxide (CO2) into the atmosphere.
  • Deforestation removes trees that absorb CO2, releasing stored CO2 into the atmosphere.
  • Industrial processes (like cement production), agriculture (livestock methane, fertilizer nitrous oxide), and waste management (landfills methane) also contribute.
  • Increased concentrations of greenhouse gases (carbon dioxide, methane, nitrous oxide, and fluorinated gases) trap heat in the atmosphere.

Environmental Impacts

  • Natural disasters like floods, droughts, and storms are increasing in frequency and intensity.
  • Extreme climate changes, such as heatwaves and rising sea levels, are occurring.
  • Changes in rainfall patterns affect crop production and food security.
  • Reduced water supplies due to droughts and glacial melt impact water scarcity.

Economic Impacts

  • Global warming affects agriculture, tourism, and multiple other sectors.
  • Economic losses are associated with impacts.

Social Impacts

  • Global warming increases risks associated with heatstroke, dehydration, and respiratory problems.
  • The health of people are affected by air pollution and smog

Solutions and Actions

  • International agreements like the Paris Agreement aim to reduce emissions.
  • Government and private initiatives play a role in transitioning to renewable resources.
  • Lifestyle changes, such as promoting energy efficiency and driving less, can help mitigate the issue.
  • Increased awareness and spreading information about the effects of global warming can aid in tackling the problem.

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