1. PROBLEMS
1.1. GLOBAL WARMING
1.1.1. greenhouse effect
1.1.2. icecaps melt
1.1.3. sea levels rise
1.1.4. species become endangered or extinct
1.1.5. ozone hole
1.1.6. UV radiation
1.1.7. climate change
1.2. POLLUTION
1.2.1. air pollution
1.2.1.1. smog
1.2.1.2. illnesses
1.2.2. ground pollution
1.2.3. water pollution
1.2.4. noise pollution
1.2.5. light pollution
1.3. Other problems
1.3.1. deforestation
1.3.2. hunting
1.3.3. industrial waste
1.3.4. scarcity of water
2. SOLUTIONS
2.1. environmentally conscious attitude
2.1.1. educating children to love and respect Nature
2.1.2. governments should make laws to protect our planet
2.1.3. organisations should raise awareness
2.2. Taking small steps as individuals
2.2.1. use of public transport (no cars)
2.2.2. using water and electricity sparingly
2.2.3. selective rubbish collection
2.2.4. protecting animals
2.2.5. recycling
2.3. Other ideas
2.3.1. passive houses
2.3.2. non-renewable energy resources
2.3.2.1. solar energy
2.3.2.2. geothermal energy
2.3.2.3. wind energy
2.3.3. finding safe methods to store hasardous waste