Global warming

• What are the two terms often associated with environmental issues discussed in the video?

  Global warming and climate change
• What is the main difference between global warming and climate change?

  Global warming refers to temperature rise; climate change refers to weather pattern changes
• What role does the atmosphere play for life on Earth?

  It acts as an insulating blanket
• How does the temperature of the moon compare to Earth due to the lack of atmosphere?

  The moon varies from +100°C to -200°C
• What happens to the sun's heat energy when it reaches the Earth's surface?

  Some is absorbed, most is re-emitted or reflected
• What occurs to the energy that is re-emitted by gas particles in the atmosphere?

  It is sent in random directions
• Why does heat energy stay close to Earth longer with an atmosphere?

  It is absorbed and re-emitted repeatedly
• What are greenhouse gases responsible for?

  Global warming
• How has the strength of the greenhouse effect changed over Earth's history?

  It has grown and shrunk repeatedly
• What human activities contribute to the greenhouse effect?

  Releasing carbon dioxide and methane
• What is the current trend in Earth's temperature over the past century?

  It has increased by almost one degree
• What does the term climate refer to?

  Long-term weather patterns
• What are some consequences of global warming on weather events?

  More common and severe rare weather events
• What are the two reasons for sea level rise due to global warming?

  Melting ice and expanding warm water
• What impact does sea level rise have on coastal areas?

  Seasonal flooding and submersion of land
• How does climate change affect wild organisms?

  Species may not survive changing conditions
• What are some adaptations species might make due to climate change?

  Adaptation or migration to better conditions
• What is the protective layer of gases surrounding the Earth called?

  Atmosphere
• Why is the atmosphere essential for life?

  It acts like an insulating blanket, keeping the Earth at a stable temperature
• What is the temperature range on the moon due to its lack of atmosphere?

  Positive 100 degrees to minus 200 degrees
• How does the atmosphere regulate the Earth's temperature?

  The atmosphere absorbs and re-emits the sun's heat energy, keeping it close to Earth
• What are the gases in the atmosphere that contribute to the greenhouse effect called?

  Greenhouse gases
• How has the strength of the greenhouse effect changed over Earth's history?

  It has grown and shrunk over and over again
• What is the term used to describe the current increase in the greenhouse effect due to human activities?

  Global warming
• How much has the Earth's temperature increased in the past 100 years?

  Almost 1 degree
• What are the two main reasons for sea level rise due to global warming?

  Ice melt and thermal expansion of ocean water
• How will climate change impact biodiversity?

  Biodiversity is likely to fall dramatically as species cannot adapt or migrate fast enough