Should the mesquite be allowed to kill the casuarina trees by drilling its roots deeper and depriving them of water, as in some places it seems to be doing?

ECONOMIST: Ascension Island

And younger trees probably have tastier roots as well.

ECONOMIST: The 17-year cicadas are about to emerge in force

"The weeds are growing up like trees and they are going to start interfering with the houses if the roots come through and we don't want that, " she said.

BBC: Residents 'abandoned' over homes plan in Liverpool

In the heart of the rainforest, prehistoric ferns and giant trees, such as the mighty Antarctic beech with its metre-wide girth and gnarled moss-covered roots, seem to grow from a lost time.

BBC: Exploring Queensland��s rainforest hinterland

Today the tearoom sticks to its roots, serving delicate pastries among palm trees and wicker furniture in an old-fashioned conservatory.

BBC: A taste of Paris

"Something is going on, and you can tell by the exposed roots of coconut trees, " McGree says.

NPR: Pacific Island Cultures Brace for Climate Change

Sinewy roots stretch above the snowline and the skeletal frames of leafless birch trees tremble in the wind.

BBC: Poland's wild woods

Trees are key players in regulating climate because they convert carbon dioxide, which they store in their trunks and roots, to oxygen.

CNN: Global warming threatens forests, study says