what global warming causes?

Modern global warming is the result of an increase in magnitude of the so-called greenhouse effect, a warming of Earth's surface and lower atmosphere caused by the presence of water vapour, carbon dioxide, methane, nitrous oxides, and other greenhouse gases.

Climate Change Impacts That Will Affect Us All
• Damage to your home.
• More expensive home insurance.
• Outdoor work could become unbearable.
• Higher electric bills and more blackouts.
• Rising taxes.
• More allergies and other health risks.
• Food will be more expensive and variety may suffer.
• Water quality could suffer.