Should we give up half of the Earth to wildlife?

Source: The Guardian / Environment / Wildlife

Populations of all kinds of wildlife are declining at alarming speed. One radical solution is to make 50% of the planet a nature reserve

The orangutan is one of our planet’s most distinctive and intelligent creatures. It has been observed using primitive tools, such as the branch of a tree, to hunt food, and is capable of complex social behaviour. Orangutans also played a special role in humanity’s own intellectual history when, in the 19th century, Charles Darwin and Alfred Russel Wallace, co-developers of the theory of natural selection, used observations of them to hone their ideas about evolution.

But humanity has not repaid orangutans with kindness. The numbers of these distinctive, red-maned primates are now plummeting thanks to our destruction of their habitats and illegal hunting of the species. Last week, an international study revealed that its population in Borneo, the animal’s last main stronghold, now stands at between 70,000 and 100,000, less than half of what it was in 1995. “I expected to see a fairly steep decline, but I did not anticipate it would be this large,” said one of the study’s co-authors, Serge Wich of Liverpool John Moores University.

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