LONDON-- Post people ride e-Trikes in front of the ArcelorMittal Orbit during the unveiling of the zero-carbon emission e-Trikes, which are predominantly powered by a combination of solar, battery and brake technology, and will be trialled by Royal Mail at the end of the month. Photo: Tim Ireland/PA Wire/dpa

Hamburg: The hydrogen-powered electric boat "Energy Observer" sails on the Elbe river upon it's arrival at the port of Hamburg. The catamaran, which is 30 metres long and almost 13 metres wide, is able to produce its own hydrogen from seawater and thus operates without emitting greenhouse gases or fine dust. Photo: Daniel Bockwoldt/dpa

PELABUHAN KLANG -- Menteri Tenaga, Sains, Teknologi, Alam Sekitar dan Perubahan Iklim Yeo Bee Yin (kanan) melihat salah satu kontena yang mengandungi barangan dagangan sisa plastik yang dicemari dengan buangan berjadual sempena Operasi Penguatkuasaan Pengimportan Sisa Plastik di Westport, Pulau Indah. Operasi itu melibatkan Jabatan Alam Sekitar (JAS), Jabatan Kastam Diraja Malaysia, Lembaga Pelabuhan Klang dan Syarikat Westports Malaysia Sdn Bhd. Turut hadir Ketua Setiausaha Kementerian Tenaga, Sains, Teknologi, Alam Sekitar dan Perubahan Iklim Datuk Seri Dr Mohd Azhar Yahya (kiri) dan Ketua Pengarah JAS Datuk Dr Ahmad Kamarulnajuib Che Ibrahim (tengah).