Issues Briefs

IUCN Issues Briefs provide key information on selected issues central to IUCN’s work. They are aimed at policy-makers, journalists or anyone looking for an accessible overview of the often complex issues related to nature conservation and sustainable development.

Latest Issues Briefs

NbS Standard Issues Brief thumbnail Photo: IUCN


July 2020

Abstract

Nature-based Solutions are actions addressing key societal challenges through the protection, sustainable management and restoration of both natural and modified ecosystems, benefiting both...

Themes: Biodiversity, Business, Climate Change, Ecosystems, Forests, Marine, Nature-based Solutions, Social Policy, Water

Deoxygenation Photo: IUCN


December 2019

Abstract

Globally, oceans have lost around 2% of dissolved oxygen since the 1950s and are expected to lose about 3–4% by the year 2100 under a business-as-usual scenario (Representative Concentration Pathway...

Themes: Climate Change, UNFCCC, UNFCCC, Marine

Species and climate change Photo: IUCN


December 2019

Abstract

Mean global temperatures have risen ~1ºC since pre-industrial times as a result of human activities. In addition to increasing global temperatures, the impacts of climate change include extreme...

Themes: Climate Change, Species

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thumbnail_natural World Heritage_issues brief Photo: IUCN


November 2018

Abstract

One in five (23%) sites on the UNESCO World Heritage List are natural sites, most often protected areas such as national parks or nature reserves. Natural World Heritage sites are globally recognised...

Themes: Protected Areas, World Heritage

Issues Brief - Disasters and climate change Issues Brief - Disasters and climate change Photo: IUCN


November 2017

Abstract

According to the Emergency Events Database, in the last ten years, over 730,000 people have lost their lives, over 1.9 million have been injured, and around 15 million have been made homeless as a...

Themes: Climate Change, Ecosystems, Disaster Risk Reduction

Thumbnail_Ocean acidification_issues brief Photo: IUCN


November 2017

Abstract

Ocean acidification is a direct consequence of increased human-induced carbon dioxide (CO2) concentrations in the atmosphere. The ocean absorbs over 25% of all anthropogenic emissions from the...

Themes: Climate Change, Marine

Deoxygenation Photo: IUCN


December 2019

Abstract

Globally, oceans have lost around 2% of dissolved oxygen since the 1950s and are expected to lose about 3–4% by the year 2100 under a business-as-usual scenario (Representative Concentration Pathway...

Themes: Climate Change, UNFCCC, UNFCCC, Marine

Thumbnail_Ocean warming_issues brief Photo: IUCN


November 2017

Abstract

The ocean absorbs vast quantities of heat as a result of increased concentrations of greenhouse gases in the atmosphere, mainly from fossil fuel consumption. The Fifth Assessment Report published by...

Themes: Climate Change, Marine

Issues brief -  Palm oil and biodiversity Photo: IUCN


June 2018

Abstract

Palm oil is derived from the oil palm tree (Elaeis guineensis Jacq.), which is native to West Africa and grows best in tropical climates with abundant water. Three-quarters of total palm oil produced...

Themes: Biodiversity, Business, Forests, Species

thumbnail_iucn_issues_cc_peatlands Photo: thumbnail_iucn_issues_cc_peatlands


November 2017

Abstract

Peatlands are a type of wetlands that occur in almost every country on Earth, currently covering 3% of the global land surface. The term ‘peatland’ refers to the peat soil and the wetland habitat...

Themes: Climate Change, Ecosystems, Water

Seamount conservation Seamount conservation Photo: IUCN


April 2017

Abstract

Seamounts are underwater mountains of volcanic origin that rise from the seafloor. Regarded as hotspots of biological diversity in the ocean, seamounts serve as spawning sites for many species....

Themes: Climate Change, Marine, Ocean Governance, Seamounts

Species and climate change Photo: IUCN


December 2019

Abstract

Mean global temperatures have risen ~1ºC since pre-industrial times as a result of human activities. In addition to increasing global temperatures, the impacts of climate change include extreme...

Themes: Climate Change, Species

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