Reverse nature's decline or there is no future - UN




  • In Science
  • 2022-12-08 00:41:49Z
  • By BBC
Tree felling in Brazil
Tree felling in Brazil  

The United Nations' biodiversity chief says global talks under way in Montreal are the "last chance" to reverse the destruction of the natural world.

"Biodiversity is the foundation of life. Without it, there is no life," Elizabeth Maruma Mrema told BBC Radio 4's Inside Science programme.

But she is worried about the amount of work still needed for the 196 countries to reach an agreement.

The Global Biodiversity Framework, if agreed, represents fundamental change.

It is the nature equivalent of the Paris Agreement, an international treaty to limit global temperature rise and arrest the climate crisis.

"The targets in that [Global Biodiversity Framework] are a roadmap to, by 2030, reverse and halt the loss of biodiversity, which has reached rates unprecedented in the history of humankind" Ms Mrema said.

  • COP15: Call for biodiversity 'peace pact with nature'

  • Five key climate takeaways from COP27

  • The tale of the 'un-extinct' fish

Cop 15 opening ceremony
Cop 15 opening ceremony  

The list of 20 targets includes quantifiable aims, such as a call for 30% of the Earth's land and sea to be conserved through the establishment of protected areas.

But it also includes trickier political issues, such as protecting the rights and access of indigenous people to their territories.

Indigenous communities are custodians of an estimated 85% of the world's biodiversity - and where they have rights and access, it is significantly better protected from degradation and damage.

'Paralysing goals'

The current draft deal still had "a lot of brackets", Ms Mrema said. "And brackets mean disagreement - areas where the 196 still have to agree, compromise and reach a consensus."

In an article in Nature, ahead of the talks, ecologist Prof Sandra Diaz, from the National University of Córdoba, said the brackets had "proliferated at an alarming rate throughout the text, neutralising and paralysing goals and targets".

And some scientists in Montreal worry the policy fails to reflect the evidence.

Ms Mrema said the scientific evidence revealed the scale of the crisis and the urgent need for the talks to succeed.

"We've already degraded 75% of the Earth's surface and more than 60% of the marine environment," she said.

"Half the coral reefs have already disappeared and 85% of wetlands are degraded."

Action was needed now, Ms Mrema said, "or there would be no future for our children and grandchildren".

'Peace pact'

In his opening remarks, UN Secretary General Antonio Guterres said humanity had laid waste to ecosystems and "treated nature like a toilet".

He called for a peace pact with the natural world and, in a thinly veiled swipe at those with ambitions to colonise Mars, he said: "Forget the dreams of some billionaires, there is no planet B."

Coral reef
Coral reef  

Speaking at the opening ceremony, on Tuesday, Canada's Prime Minister, Justin Trudeau said: "If we can't agree, as a world, on something as fundamental as protecting nature, nothing else matters."

But after young indigenous activists stood up, sang and unfurled a banner saying: "To save biodiversity, stop invading our lands," the prime minister stood in silence as they eventually filed out of the room chanting: "Trudeau is a coloniser."

Ms Mrema said the demonstrators' involvement in the event was a sign of transparency.

"Everybody's included," she said. "And they delivered a message to their parties to listen - and clearly, they have been heard."

Listen to Inside Science's biodiversity special, from the 15th United Nations Biodiversity Conference of the Parties to the UN Convention on Biological Diversity (Cop15), in Montreal, on Radio 4, at 16:30 GMT, on Thursday, and on BBC Sounds.

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