On the basis of the given text and common understanding, answer the following questions : (a) State any two concerns owing to which the Central Pollution Control Board (CPCB) was established. (b) Explain any two functions performed by the Central Pollution Control Board (CPCB). (c) Elaborate any two strategies to ensure sustainable development as adopted by India.

Question

Accepted Answer

Based on the passage about CPCB:

(a) Two concerns owing to which CPCB was established:

1. **Water Pollution:** Contamination of rivers, streams, and other water bodies by toxic substances was a major environmental concern affecting public health and ecosystems.

2. **Air Pollution:** Presence of pollutants like smoke, dust particles in air at harmful concentrations was affecting human health and environment, especially in urban areas.

(b) Two functions performed by CPCB:

1. **Investigation and Data Collection:** CPCB investigates, collects, and disseminates information relating to water, air, and land pollution. It lays down standards for sewage/trade effluent and emissions.

2. **Technical Assistance:** CPCB provides technical assistance to governments in promoting cleanliness of streams and wells by prevention, control, and abatement of water and air pollution in the country.

(c) Two measures to control environmental degradation:

1. **Promotion of Public Transport:** Using Delhi Metro and other public transport systems reduces vehicular emissions and air pollution.

2. **Cleaner Fuels:** Use of CNG instead of petrol and diesel in vehicles, and LPG in households, reduces air pollution significantly.