Question

Why is the sea called darkening sea

Answer 1

Kolbert explains that acidification is caused by the decrease in the ocean's pH level due to its uptake of carbon dioxide, or CO2, noting that the ocean, which covers seventy per cent of the earth's surface, absorbs and releases gases from and into the atmosphere at roughly equal rates

Answer 2

The Darkening Sea. ANNALS OF SCIENCE about climate change and the ocean… Writer describes the work of Victoria Fabry, an oceanographer who studies tiny marine organismscalled pterapods. ... Nearly half of all the carbon dioxide that humans have emitted since the start of the nineteenth century has been absorbed by the sea ..