Environment

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Across
  1. 2. gradual increase in world temperatures caused by gases in the air which prevent heat escaping into space
  2. 5. the escape of used gas or vapor from an engine
  3. 6. to put a plant into the ground or into a container of soil so that it will grow
Down
  1. 1. is the global phenomenon of climate transformation characterized by the changes in the usual climate of the planet
  2. 3. to sort and collect rubbish in order to treat it and produce useful materials that can be used again
  3. 4. The change in the environment caused by natural or artificial input of harmful contaminants into the environment, and may cause instability, disruption or harmful effects to the ecosystem.