Grasslands — also known as prairies, steppes, pampas or savannas — are home to 25% of the world's population and all kinds of plants and wildlife, including elephants, rhinos and lions.
They also combat climate change by absorbing carbon from the air and storing it underground. Yet, even though they cover more than 50% of the Earth's surface, just 12% of grasslands are protected, with conservation efforts often overlooking them.
As a result, they are suffering heavily, especially through land degradation — such as the loss of vegetation cover due to overgrazing or the loss of key species due to pollution, agriculture or invasive species — and the replacement of native species with crops.
"We are advocating for the protection, sustainable management and restoration of grasslands and savannas globally," Leonie Meier, WWF Global Grasslands and Savannahs Initiative Lead, told CNN's Yara Enany at COP16, a conference of the United Nations Convention to Combat Desertification, ongoing in Riyadh, Saudi Arabia, until December 13.
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Low‑carbon construction materials that once featured only in research pilots are now being deployed across major European projects, signalling a tangible shift towards sustainable building design and environmental sustainability in construction. The European Patent Office refurbishment in Vienna integrates Holcim’s ECOPact concrete and ECOCycle® technologies to minimise embodied carbon while demonstrating architectural excellence. The project exemplifies the practical application of whole life carbon assessment and lifecycle assessment, setting a benchmark for net zero carbon buildings and low carbon design across Europe.
In the UK, construction supply chains are increasingly defined by circular economy principles and resource efficiency in construction. Record renewable energy generation is enabling low carbon building sites powered by cleaner electricity, and the emergence of electric maintenance fleets underscores the shift to carbon neutral construction. The economic rationale for decarbonising the built environment is reinforced by a recent study linking reduced emissions to a measurable “clean air dividend” that enhances life cycle cost outcomes for both public health and infrastructure investment.
Financial institutions are embedding climate risk into portfolio management, with pension funds pressing developers to disclose embodied carbon in materials and adopt environmental product declarations (EPDs). This growing demand for transparency is driving sustainable building practices aligned with BREEAM and emerging criteria under BREEAM V7. The Duchy of Cornwall’s move to verify regenerative farming practices points to tighter integration between land management and construction supply chains, connecting healthy soils with lower embodied carbon concrete and renewable building materials that support a circular economy in construction.
The trend is decisive: sustainability has evolved from a narrative into an operational standard defining net zero whole life carbon strategies, green construction performance, and end‑of‑life reuse in construction. Replicating proven models such as Vienna’s will determine how rapidly the built environment achieves coherent, large‑scale transformation toward eco‑friendly construction and measurable carbon footprint reduction.
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