1.1    Greenhouse effect

1.2    Ozone layer

1.3    Acid Rain

1.4    Protecting the land and sea against human encroachment

1.5    Pesticides and fertilizers

1.6    Protecting endangered plant and animal species    

2.1    Traditional energy sources

2.2    Nuclear energy

2.3    Alternative energy sources

2.4    Traditional sources of minerals

2.5    Plastics as an alternative to natural materials

2.6     Living resources

3.1    Dealing with air / noise pollution

3.2    The impact of motor vehicle

3.3    Water pollution and waste pollution

3.4    Refuse disposal and litter problem

3.5    Indoor environment

3.6    Effects of continued reclamation

3.7    Urban renewal and land use in the New Territories

3.8    Country parks and protected areas