Study

World Environment Day 2025

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  • Which of these is an effect of climate change?
    Rising sea level
  • What helps in reducing soil erosion?
    Planting trees
  • Which energy source is not renewable?
    Coal
  • Which one of these is a greenhouse gas?
    Methane
  • What is the name of the process where water from plants returns to the air?
    Transpiration
  • Which animal is endangered due to environmental problems?
    Tiger
  • What is the theme of World Environment Day 2024?
    Land restoration, desertification and drought resilence
  • Which gas is mainly responsible for global warming?
    Carbon dioxide
  • How long does it take for plastic to decompose?
    Hundreds of years
  • Which country emits the most CO₂ in the world today?
    China
  • What helps in keeping the environment clean?
    Recycling
  • Which practice is best for protecting endangered species?
    Banning hunting
  • What is the full form of UNEP?
    United Nations Environment Programme
  • What color bin is usually used for recycling paper?
    Blue
  • Who hosts World Environment Day each year?
    United Nation
  • Which practices harms marine life the most?
    Plastic dumping in oceans
  • What is the most important natural resource we must conserve?
    Water
  • What do you call the process of planting trees?
    Afforestation
  • Which animal is most affected by melting ice in the Arctic?
    Polar bear
  • Which layer of the Earth’s atmosphere protects us from harmful UV rays?
    Ozone layer
  • Which natural disaster can be caused by cutting too many trees?
    Landslides