Using bamboo channels for drip irrigation is an eco-friendly and sustainable technique that conserves water by reducing wastage and targeting root zones directly. It minimizes the use of plastic pipes and promotes traditional water management practices, making it a green job under the sector of Water Conservation. Green jobs are those that contribute to preserving or restoring environmental quality.
Option (A) Irrigation sector: Incorrect. While the activity involves irrigation, the focus is on conservation.
Option (B) Water conservation: Correct. Bamboo drip irrigation promotes sustainable water use.
Option (C) Solar and wind energy: Incorrect. This option refers to renewable energy sources, not irrigation techniques.
Option (D) Agriculture: Incorrect. Agriculture is the broader field, but the green job here specifically targets water conservation.