Green Roofs
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Downtown Los Angeles
How/effects on carbon levels
Pros and Cons
Pros
Makes your roof look nice/cool
Reduces the "heat island" effect
Reduces high temperatures
Saves you money on electric bills
Last 40 years
Increases environmental awareness
Absorbs pollution particles
Makes air cleaner
Allows cool temperatures during the summer
Cons
Expensive
Need regular maintenance
COMMITMENT
Increase building weight
Weather effects the plants
Costly to repair
Require irrigation and drainage systems
Installing is difficult
Animals could burrow into the dirt which causes damages.