Plants fight for space: ponga (silver tree fern), cabbage trees, manuka (tea tree), and pohutukawa (a coastal evergreen tree), which cling to the land at the sea's edge.

BBC: All at sea in New Zealand

Delegates walking past the Brighton Centre were surprised to be handed the gift of a sapling silver birch tree in a bag.

BBC: TODAY'S AGENDA

Our headlamps played tricks with colour, turning new spruce tips silver and making a lichen-shagged tree sparkle.

BBC: The quietest place in the US

Rhythmic starbursts of green, white and yellow brushstrokes race across the horizontal canvas, punctuated by the silver-gray verticals of evenly spaced tree trunks.

WSJ: Vincent Van Gogh Up Close | Philadelphia Museum of Art | A Matter of Perspective | By Jonathan Lopez