Claire Asher, the BBC, writes about how the world sounds different than it did a century ago. And the reason is not benign–climate change has had a dramatic effect on the oceans, for example,
How big is the impact, really? Bigger than one might expect. Writes Asher:
In 2015, a US team of scientists and engineers reported that the loudest sound in some waters now comes from millions of tiny bubbles, which are released by melting glaciers and icebergs. In the fjords of Alaska and Antarctica, the average noise level is now over 100 decibels – louder than any ocean environment recorded before.
Click the link to read the full article. The changing soundscape is a warning sign, as “Earth’s natural soundscape is changing irreversibly, and human activity is driving the process.”