News & Publications


Staying informed is difficult, especially around conservation. Nature Needs Half news updates deliver you the latest information on the work to protect half, both internationally and regionally.

Vlad Tchompalov/Washington, USA
Photo by Mariana Medvedeva

Food in the Anthropocene

Posted in All Articles, News & Publications on 01/17/19

  Food in the Anthropocene: the EAT–Lancet Commission on healthy diets from sustainable food systems   Nature Needs Half (NNH)/Half Earth used as benchmark for sustainable food systems In a landmark study – “Food in the Anthropocene: the EAT-Lancet Commission on healthy diets from sustainable food systems” – published online and to be launched subsequently in more than 30 cities across the world, the NNH/Half Earth concept together with seven other...

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Spirit Island, Canada/Photo by Sergey Pesterev

Canadian Space For Nature Survey

Posted in All Articles, News & Publications on 12/31/18

  Summary The Canadian Space for Nature Survey polled over 2,000 Canadians across the country about their perspectives on parks and protected areas. Those polled were from a broad range of ages, educations, and incomes, with different geographical locations, genders, and household compositions. Regardless of these differences, the Canadian Space for Nature Survey found that across Canada there is overwhelming support for protected areas. 93% of Canadians believe that protected...

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Amboseli National Park, Kenya/Photo by Harshil Gudka

LDF Executive Director Justin Winters introduces One Earth at Bioneers

Posted in All Articles, News & Publications on 12/4/18

  Kenny Ausubel, CEO and founder of Bioneers, introduced Justin Winters at the Bioneers Conference on October 20th, 2018. With contributions from scientists and partners around the world, One Earth, an initiative of the Leonardo DiCaprio Foundation (LDF), has developed a bold, new plan to avert a climate crisis and protect our biosphere. Justin Winters, LDF's Executive Director, explains the three goals humanity needs to achieve by 2050: Transform our energy systems to...

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Photo by Jeremy Bishop/ Hawaii, United States

The 8 Million Species We Don’t Know

Posted in Blog, News & Publications on 10/5/18

    The 8 Million Species We Don't Know   The history of conservation is a story of many victories in a losing war. Having served on the boards of global conservation organizations for more than 30 years, I know very well the sweat, tears and even blood shed by those who dedicate their lives to saving species. Their efforts have led to major achievements, but they have been only...

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Photo by Photo by Chen Hu/ Serengeti, Tanzania

UN Biodiversity Chief Urges More Nature-Friendly World by 2050

Posted in Blog, News & Publications on 10/5/18

Make half of world more nature-friendly by 2050, urges UN biodiversity chief   At least half of the world should be made more nature-friendly by 2050 to ensure the wellbeing of humanity, according to the UN chief leading efforts to create a new global pact on biodiversity. The call to strengthen the world’s life support system comes ahead of a major conference in Beijing in 2020 that many hope will...

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Photo by Van Ngoc Tang/La Pán Tẩn, Vietnam

Protecting Half Without Going Hungry

Posted in All Articles, News & Publications, Papers & Publications on 09/19/18

How to conserve half the planet without going hungry By Zia Mehrabi, Erle C. Ellis And Navin Ramankutty Every day there are roughly 386,000 new mouths to feed, and in that same 24 hours, scientists estimate between one and 100 species will go extinct. That's it. Lost forever. To deal with the biodiversity crisis we need to find a way to give nature more space—habitat loss is a key factor driving these extinctions. But...

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Photo by Louis Maniquet/ Oléron, France

Who will save the planet?

Posted in All Articles, News & Publications on 09/19/18

Science Alone Won’t Save the Earth. People Have to Do That. By Erle C. Ellis This planet is in crisis. The safe limits within which human societies can be sustained, the earth’s “planetary boundaries,” are being exceeded, a path leading inevitably toward collapse. The experts have spoken. Only if humanity heeds the science, reverses course and lives within earth’s natural limits can disaster be avoided. Or maybe you believe the opposite:...

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Photo by Joshua Sortino/Zhangjiajie, Huaihua, China

Mapping China's Wilderness

Posted in All Articles, News & Publications, Papers & Publications on 09/19/18

A Preliminary Study on Mapping Wilderness in Mainland China   Article by Cao Yue, Yang Rui, Long Ying, Steve Carver Wilderness areas are, in the main, places that are ecologically intact, mostly free of industrial infrastructure, and without significant human interference. With a growing appreciation of the intrinsic value of wilderness, more attention is being paid to wilderness protection and management especially as threats increase and remaining wilderness areas shrink in...

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Photo by David Marcu/Ciucaș Peak, Romania

Space for Nature

Posted in All Articles, News & Publications on 09/19/18

Space for Nature   How much of the planet should we leave for other forms of life? This is a question humanity must now grapple with. The global human population is 7.6 billion and anticipated to increase to around 10 billion by the middle of the century. Consumption is also projected to increase, with demands for food and water more than doubling by 2050. Simply put, there is finite space...

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Oban, New Zealand/Photo by Tomas Sobek

How to Protect Half

Posted in All Articles, News & Publications, Papers & Publications on 08/30/18

How to protect half of Earth to ensure it protects sufficient biodiversity   Abstract   It is theoretically possible to protect large fractions of species in relatively small regions. For plants, 85% of species occur entirely within just over a third of the Earth’s land surface, carefully optimized to maximize the species captured. Well-known vertebrate taxa show similar patterns. Protecting half of Earth might not be necessary, but would it...

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Baby monkey and mother/Photo by Lewis Roberts

Scientists call for a Paris-style agreement to save life on Earth

Posted in All Articles, News & Publications on 06/28/18

June 28, 2018 - Jeremy Hance Scientists call for a Paris-style agreement to save life on Earth Conservation scientists believe our current mass extinction crisis requires a far more ambitious agreement, in the style of the Paris Climate Accord. And they argue that the bill shouldn’t be handed just to nation states, but corporations too.  Let’s be honest, the global community’s response to the rising evidence of mass extinction and...

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Sun sets in Nature's Valley, South Africa/Photo by Charl Van Rooy

Nature Retention, Not Just Protection

Posted in All Articles, News & Publications on 06/27/18

Nature retention, not just protection, crucial to maintaining biodiversity and ecosystems June 27, 2018 by Mike Gaworecki Is it time to completely rethink how we design the goals of conservation programs? Some scientists say it is. In a paper published last week in the journal Nature Ecology and Evolution, a team of Australian researchers argue that we need to shift conservation goals to focus on diverse and ambitious “nature retention targets” if...

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