Cities Changing

1. how do they affect environment?

1.1. change

1.1.1. climate change

1.1.1.1. Professor Karen Seto's research

1.1.1.1.1. changing climate on local scale

1.1.1.1.2. changing climate on global scale

1.1.2. change local hydrology

1.1.2.1. the loss of vegetative quality

1.1.2.2. the loss of vegetative cover

1.1.3. change local land cover

2. what challenges do they have?

2.1. providing inftastructure

2.2. providing energy

2.3. providing water

2.4. providing sanitation

3. what do cities need to do to exist?

3.1. CO2 emissions

3.2. consume most of the world's agricultural production

3.3. car production

3.4. transportation

3.5. energy