Why is there a concern about copper smelting plants?

[CSE 2021]

1. They may release lethal quantities of carbon monoxide into environment.

2. The copper slag can cause the leaching of some heavy metals into environment.

3. They may release sulphur dioxide as a pollutant.

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#Environment
#Pollution

'R2 Code of Practices' constitutes a tool available for promoting the adoption of:

[CSE 2021]

(a) environmentally responsible practices in electronics recycling industry

(b) ecological management of "Wetlands of International Importance" under the Ramsar Convention

(c) sustainable practices in the cultivation of agricultural crops in degraded lands

(d) Environmental Impact Assessment in the exploitation of natural resources
#Environment
#Pollution

Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?

[CSE 2021]

1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave stoves within homes
4. Power plants
5. Telephone lines

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#Environment
#Pollution

"Biorock technology" is talked about in which one of the following situations?

[CSE 2022] #C_A #Environment #Pollution

(a) Restoration of damaged coral reefs

(b) Development of building materials using plant residues

(c) Identification of areas for exploration/extraction of shale gas

(d) Providing salt licks for wild animals in forest/protected areas

Match list I with list II and select correct answer using the code given below :

[UPSC CAPF 2023] #Enviroment #Pollution

List I
A. Stockholm convention.
B. Minamata convention.
C. Basel convention.
D. Rotterdam convention

List II
1. Hazardous chemicals and pesticides in international trade
2. Persistent organic pollutants
3. Binding instrument on mercury
4. Trans-boundary movement of hazardous wastes

"Biorock technology" is talked about in which one of the following situations?

[CSE 2022] #C_A #Environment #Pollution

(a) Restoration of damaged coral reefs

(b) Development of building materials using plant residues

(c) Identification of areas for exploration/extraction of shale gas

(d) Providing salt licks for wild animals in forest/protected areas

Assertion (A): CO₂, SO₂, and NO₂ gases get dissolved in rainwater and produce acid rain.

Reason (R): Atmospheric air is polluted due to a high concentration of gases like carbon dioxide, sulfur dioxide, and oxides of nitrogen.

[UPPCS 2024] #Enviroment #Pollution

Select the correct answer from the codes given below: