A reef
Media playback is unsupported on your device
Video

Climate change report highlight major impacts

The impact of climate change is being felt across all continents and oceans and it is affecting food security, glaciers and the spread of disease, according to a new report.

Scientists and officials meeting in Japan say the document is the most comprehensive assessment to date of the impacts of climate change on the world.

Roger Harrabin reports.

Go to next video: 'Profound' climate change report