2. Global Warming
 Is the rise in the average temperature of Earth's
atmosphere and oceans .
 Causes: increasing
concentrations
of greenhouse gases
produced by burning of
fossil fuels.
 Consequences: sea level rise,
melting glaciers

3. Pollution
 Introduction of contaminants into the natural
environment that cause adverse change

4. Deforestation

5. Do you
contribute to any
of these
problems?