CS : Natural Sewage India Flashcards
1
Q
What process provides steel which is heavily damaging the environment? How?
A
ship breaking yards
release hazardous PCBs
cause reproductive problems in wildlife
2
Q
Where is the worlds largest natural sewage system
A
Kolkata Wetlands, India
3
Q
How many species of endemic wish in Kolkata Wetlands?
A
40+
4
Q
How many hectares does Kolkata wetlands exist over?
A
12,500 hectares
5
Q
What are the ponds of the Kolkata wetlands controlled by?
A
bamboo sieves
6
Q
How many are reliant on the wetlands?
A
100,000
7
Q
What X3 threats are present to the Kolkata wetlands?
A
- aggregation of silt from industrial expansion
= 20% of pond depth lost - industrial waste deposited
- property development since land is cheap
8
Q
What is an effective way to stop industrial waste being dumped?
A
invest money in monitoring
charge heavy fines
