Abstract: Unmanned aerial vehicles (UAVs) have emerged as promising platforms for fast, energy-efficient, and cost-effective package delivery. Path planning in 3-D urban environments is critical to ...

Abstract: Efficient urban waste collection and processing are crucial for achieving carbon neutrality, mitigating environmental pollution, and reducing economic losses. The electric unmanned ...

Baku, 5 June 2026 – With global temperatures at near-record levels and El Niño set to return, governments, businesses, communities, and individuals across the world today marked World Environment Day, ...

World Environment Day in 2026 focused on climate change—on the urgent signals the Earth is sending and the signals we choose to send in response. UNEP’s global campaign calls on everyone to step in, ...

On World Environment Day 2026, IUCN urges the global community to embrace this year’s theme of 'climate action' by listening to our most vital messenger. Nature is speaking, and its warnings are clear ...