{
  "quiz": [
    {
      "question": "What is the biggest environmental threat to human health?",
      "options": [
        "Climate change",
        "Deforestation",
        "Air pollution",
        "Water pollution"
      ],
      "answer": "Air pollution"
    },
    {
      "question": "Which disease is NOT significantly contributed to by air pollution?",
      "options": [
        "Lung cancer",
        "Heart disease",
        "Diabetes",
        "Respiratory diseases"
      ],
      "answer": "Diabetes"
    },
    {
      "question": "Since what year has the WHO been providing health-based air quality guidelines?",
      "options": ["1980", "1987", "1995", "2000"],
      "answer": "1987"
    },
    {
      "question": "What global health event in 2015 called for stronger efforts against air pollution?",
      "options": [
        "The Paris Agreement",
        "The World Health Assembly",
        "The United Nations Climate Summit",
        "The Earth Summit"
      ],
      "answer": "The World Health Assembly"
    },
    {
      "question": "What is a major economic impact of air pollution?",
      "options": [
        "Increased healthcare costs",
        "Increased tourism",
        "Higher employment rates",
        "Lower energy costs"
      ],
      "answer": "Increased healthcare costs"
    }
  ]
}