1. Humans in the biosphere
6.1 A changing landscape

2. How do our daily activities affect the environment?
Humans affect both regional and global environments
Have major impacts on the quality of Earth’s natural resources
Agriculture
Monoculture and fertilisers
Development
City waste disposal
Industrial Growth
Factories – emissions and waste

3. Sustainable development
Ecosystem goods and services
Many such as air and water are taken for granted
Are provided free of charge….
But, when a service such as water is disrupted – fixing it can be costly
Mechanical and chemical treatment of water is expensive!

4. Renewable vs Non Renewable resources
Renewable resources: can be produced or replaced by a healthy ecosystem
Non renewable: Natural processes can not replenish them in a reasonable amount of time
When used up essentially gone forever

5. Are trees/forests a renewable or non renewable resource?
It depends on whether the trees will be able to grow back in a reasonable time

6. Sustainable resource use
Provides for human needs while preserving the ecosystem that produces the natural resource
Should cause no long term harm
Consume little energy and materials
Survive environmental stresses
Economic impacts
Enable people to improve their situation