1. Cities and
Challenge of the
Environment
Charmi Doshi
X-A
Roll No.- 10

2. Jumble Words:

Aclbk Gsmo

Black Smog

Tatcuclu

Calcutta

Gabenl Ekoms Sunicane Mimsosncoi

Bengal Smoke Nuisance Commission

Aanaugdrhc

Durgacharan

3. Fill in the Blanks:

In 1920 , the rice mills of Tollygunge began
to burn rice husk instead of coal.

In 1863 , Calcutta became the first
, Indian city to get smoke nuisance
legislation.

The railway introduced a new pollutant –
coal from Raniganj , in 1855 .

4. Answer the Following:
What were the reasons of air pollution in Calcutta?

City was built on marshy land, which generated
smog during winter.

Many people depended upon dung and wood as
fuel.

Industries ran on coals.

Railway line.

Rice mills of Tollygunge.