Sound Ledger: Ocean Noise & More

30: Estimated volume increase in the Santa Barbara Channel since the Industrial Revolution, impacting whales and other sea life

1.55: Numbers of times higher likelihood of depressive symptoms among people living in highest environmental noise areas versus lowest, per South Korean scholars

12,000: Estimated annual premature deaths in the EU each year due to noise

Sources: Channel: independent.com; depression: nature.com; premature: bbc.com.