Concept:
The Chipko Movement was an environmental movement started to protect forests from deforestation. The word Chipko means "to hug" or "to cling." Villagers hugged trees to prevent them from being cut down by contractors.
• Started in 1973 in Uttarakhand (then part of Uttar Pradesh).
• Led by environmentalists such as Sunderlal Bahuguna and Chandi Prasad Bhatt.
• Promoted conservation of forests and ecological balance.
Step 1: Understand the objective of the movement.
The main aim of the Chipko Movement was:
\[
\boxed{\text{To prevent indiscriminate cutting of trees.}}
\]
Villagers, especially women, hugged trees so that they could not be felled.
Step 2: Identify the type of movement.
Since the movement focused on protecting forests and preserving the environment, it is known as a:
\[
\boxed{\text{Forest conservation movement}}
\]
Step 3: Eliminate incorrect options.
• Forest conservation movement -- Correct.
• Peasant movement -- Concerned with farmers' rights.
• Labour movement -- Related to workers' welfare.
• Anti-attack movement -- Unrelated.
Step 4: Final conclusion.
Hence, the correct answer is:
\[
\boxed{\text{Forest conservation movement}}
\]