Experts call for joined-up approach to tackling interlinked major global crises

“Experts urge a unified approach to address interlinked global crises of biodiversity loss, climate change and pollution. Integrated solutions are key to building a sustainable future for both people & the planet.” ~ UN Biodiversity. Learn more at this link.

17.12.2024

A new landmark report provides the most comprehensive assessment to date of the complex interconnections between biodiversity, food security, water availability and quality, health risks and climate change – and outlines solutions that would deliver multiple benefits.

The three-year international study, co-chaired by Professor Paula Harrison of the UK Centre for Ecology & Hydrology (UKCEH), involved 165 international experts in a range of disciplines and was carried out for the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES).

While the major global crises facing biodiversity, water, food, health and climate systems are interlinked with the challenges often amplifying each other, the experts say existing governance and actions to address these crises fail to tackle the complexity of interlinked problems and can be ineffective and counterproductive.

They add, biodiversity is declining across every region of the world, largely as a result of human activity, which has direct and dire impacts on food security and nutrition, water quality and availability, health and wellbeing outcomes, resilience to climate change and almost all nature’s other contributions to people.

The Nexus assessment summary was approved on 16 December 2024 at the 11th session of the IPBES Plenary – made up by the representatives of the 147 governments that are members IPBES – at Windhoek, Namibia…” Click here to read more…

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Methane

“Methane (CH4) is a powerful greenhouse gas, and is the second-largest contributor to climate warming after carbon dioxide (CO2). A molecule of methane traps more heat than a molecule of CO2, but methane has a relatively short lifespan of 7 to 12 years in the atmosphere, while CO2 can persist for hundreds of years or more.

Methane comes from both natural sources and human activities. An estimated 60% of today’s methane emissions are the result of human activities. The largest sources of methane are agriculture, fossil fuels, and decomposition of landfill waste. Natural processes account for 40% of methane emissions, with wetlands being the largest natural source.”

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