Biodiversity

To compensate for the number of trees lost over the past 10 years, 140 billion trees would have to be planted per year for the 10 next years. How many trees has the OUN (Organisation of the United Nation) already planted to compensate for this? (between 2006 and 2011)

The Australian government has recently created a private reserve area of ... hectare ( 1hectare = 10000m²)

Good management of marine protected areas causes a decrease of oceans acidification, rising sea levels, intensification of storms, changes in species distribution and oxygen depletion of the oceans. This makes marine protected areas effective and cheap to reduce the progression of climate change. In 2017, what is the percentage of sea, oceans protecteur around the world?

In 2005 in Bulgaria there were still 25 Griffon vultures. Thanks to the establishment of protection teams and the use of dogs to detect the poison posed by poachers, the vultures are today

Natura 2000 brings together sites that are designated to protect a number of ecosystems representative of European biodiversity. What percentage of the European metropolitan area is already protected by Natura 2000?

in Mongolia an area of 8 million hectares will be set up to link 2 national parks. This will make it possible to considerably increase the leaving area of the ...

Invasive exotic plants are responsible for significant degradation of the environment and can have negative consequences for public health. What's the best way to get rid of them?

The Seychelles Shama is a small black bird that lives only on these islands. A few years ago we had only 12 individuals left. In 2021 ... birds were identified.

The Heuglin's gazelle is a species that lived in Eritrea a country in southern Africa. The species was thought to be extinct, but in 2020, scientists have observed about ten individuals. This gazelle had not been observed for ... years.