Lokacin Karatu: 4 minti Rail kai ne mafi yanayi-friendly hanya zuwa tafiya. A greenhouse sakamako na gas watsi da kilometer a kan jirgin kai ne 80% kasa da motoci. A wasu ƙasashe, kasa da 3% dukkan kai gas watsi zo daga jiragen kasa. Hanyar kawai hanyoyin da suka dace da muhalli…