Environment & Science ▼Asia
Biodiversity can be summed up in a few figures. During the last 400 years, 151 vertebrate species have disappeared. At this pace, I would say 'a quarter of the human race could be extinct by 2050.
There are many reasons why species are disappearing, among others ocean acidification, degradation of natural habitats and the collapse of ecosystems due to the lack of oxygen caused by pollution and, one of the most obvious ones: overfishing. Between 30 and 35 percent of the global extent of critical marine habitats such as seagrasses, mangroves and coral reefs are estimated to have been destroyed.
GoodPlanet helps businesses measure, reduce and compensate their carbon footprint. The NGO encourages companies to support local programmes to restore ocean biodiversity.
The creation of Voluntary Marine Protected Areas (VMPAs) are essential component to maintain fish stocks. Worldwide, approximately 12% of the land area is protected, compared to roughly 1% of the world ocean and adjacent seas. In Mauritius, VMPAs are helping revitalise coral reefs - the nurseries of the oceans and biodiversity hot spots. On some tropical coral reefs, for example, there can be 1,000 species per m². In Indonesia, projects involve the preservation of coastal systems which include mangroves, salt marshes and seagrass meadows. These ecosystems have the ability to absorb, or sequester, carbon at rates up to 50 times those of the same area of tropical forest. Total carbon deposits in these coastal systems may be up to five times the carbon stored in tropical forests.
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An excerpt from 'Planet Ocean,' a film by Yann Arthus-Bertrand