A plastic-waste-to-clean-hydrogen breakthrough from the University of Cambridge turns two pollution problems into one solution, using solar energy and recycled battery acid to convert hard-to-recycle plastics into clean fuel and valuable chemicals.

Science

Plastic-Waste-to-Clean-Hydrogen Breakthrough Turns Trash into Fuel

A light electric rural transport in France navigates a repurposed secondary railway line through open countryside, illustrating how abandoned infrastructure can serve isolated communities again.

Transportation

“Ferromobile” is Redefining Electric Rural Transport in France

Sustainable urban development in Nairobi is gaining real momentum with a $5.2 million joint initiative by UNEP, UN-Habitat, and the Government of Kenya, positioning the Kenyan capital as a model for low-carbon, climate-resilient, and nature-positive city growth built from the neighborhood level up.

Eastern Africa

From One Neighborhood to an Entire City: Sustainable Urban Development in Nairobi Leads the Way

Third-generation NDCs climate action plans submitted in 2025 include stronger emissions targets, adaptation measures, and implementation strategies across multiple sectors.

Policy

Third-Generation Climate Action Plans Show Countries Raising Ambition

The new species discovery rate has accelerated in recent decades as scientists identify thousands of previously unknown plants, animals, fungi, and insects each year, including these 24 new amphipod species recently discovered in the Pacific Ocean.

Science

New Species Discovery Rate is Accelerating Faster than Scientists Expected

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