Also show are agricultural land use and land surfaces with little or no plant cover - such as bare ground, urban areas and permanent snow and ice.

BBC: How Earth's land is used

His new powers extend beyond relief and reconstruction to cover areas including infrastructure, banking and finance, rural and urban land use, telecommunications, defence and security.

BBC: Venezuela parliament gives Hugo Chavez more powers

Sustaining existing forest cover, planting new trees and better management of land use is also suggested as a means to slow global warming.

BBC: Impact of global warming may be severe and wide-ranging