Blue economy – Saving whales means saving the planet

Investors' Corner, BNP Paribas Asset Management

Blue economy – Saving whales means saving the planet
Todd Cravens

The contribution of whales to reducing greenhouse gases takes a surprise route, as is often the case in nature: Whale excrement is the preferred food of phytoplankton. These plant micro-organisms suspended in the seas and oceans are major consumers of the minerals in faecal matter, which is rich in iron and nitrogen.

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