Environment crisis

1234567
Across
  1. 2. pollution When the air becomes dirty or harmful to breathe because of smoke, chemicals, or other bad substances
  2. 3. endangered species A type of animal or plant that is at risk of disappearing forever
  3. 4. pollution When rivers, lakes, oceans, or other water sources become dirty or unsafe because of waste, chemicals or harmful materials
  4. 6. ice caps When large areas of ice start to melt because of rising temperatures, causing the sea level to rise
  5. 7. When a lot of trees are cut down or destroyed in a forest.
Down
  1. 1. change When the Earth's weather patterns and temperatures change over a long time
  2. 4. A big fire that spreads quickly in forests
  3. 5. When too much water covers land that is usually dry