Related Clues:

• Convened everyone in charge of copper, perhaps
• London police in charge, kettling everybody -- that's harsh
• Copper's description of climate change around central Ireland
• Like gong sounds
• Like iron or tin
• Irony of lake's contribution to climate change?
• As copper, for example, call time after disturbance
• Like copper, iron or tin, for example
• Climate change around lake makes it look like lead perhaps