Featured Case Study

Gabon Marine Protected Area Network

Photo: Barry Peters

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Space for Nature

See how the Nature Needs Half vision can be realized in practice by setting aside space for nature in this Zoological Society of London video.

Photo: Morgan Heim

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We are a growing international network of over 30 organizations calling for a global deal to protect half of nature.

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Nature Needs Half is a vision and practice for people and planet.

Nature Needs Half™

Why Now?

How do we achieve the goal?

Nature Needs Half™  is a science-based and common-sense vision of a relationship between people and nature that ensures enough natural areas of land and water are protected and interconnected – and of sufficient size and resiliency – to provide life-supporting ecosystem and biodiversity services that are essential  to both  human health and prosperity and  a bountiful, beautiful legacy of wild nature.


The magnitude of the global ecological crisis we face today – and the availability of better and more accurate ecological information — demands that conservationists provide a clear and accurate global conservation target that will realistically keep our planet viable.


Reaching the goal of at least half is ambitious but achievable. The short term milestone for the progress of this vision is to move urgently to protect at least half of the planet’s remaining large, mostly intact wilderness areas (for example Boreal Forests, the Amazon Basin, and formally protecting Antarctica), while achieving incremental gains by quickly protecting surviving remnants in fragmented areas of very high biological importance.


Great shot from the Nature Needs Half booth at Earth Day Texas this past weekend. All smiles while folks get to preview the new web channel! ... See MoreSee Less

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Sylvia A. Earle on #NatureNeedsHalf: "Nature Needs Half applies to the waters of the world as well as the land, from the tops of the mountains to the depths of the sea. More than half the world is ocean, the blue heart of the planet. You decide – how much of your heart do you need to stay alive?"

Mission Blue WILD Foundation
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If fragmentation is the disease, then connectivity is the cure. #NatureNeedsHalf https://t.co/tIeN6QtTQG @LeoDiCaprio

New list from @latimes of which #NationalMonuments are at risk: https://t.co/ggvRSwIPRg #NatureNeedsHalf #MonumentsforAll #KeepitPublic

We love reading news like this! New program in Colombia returns forests to indigenous control. https://t.co/sXgrR3AVdq #NatureNeedsHalf

Nice map from @latimes showing which #NationalMonuments are under threat by new Trump order. #NatureNeedsHalf #MonumentsforAll #KeepitPublic

The greatest threat to grizzly bears is conflicts with humans. #NatureNeedsHalf https://t.co/qd6nl4Tgrn

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Total Amount of Oceans Protected*


Total Land Area Protected*


Nature Needs Half Goal: It's Possible!

*According to the United Nations Environment Programme (UNEP) 2014 Protected Planet Report

Be a part of Nature Needs Half! Volunteers needed.