2015-11-30T115221Z_3_LYNXMPEBAS0JB_RTROPTP_4_CLIMATECHANGE-SUMMIT
The Eiffel Tower bears a message that reads, "100% Clean" ahead of the World Climate Change Conference 2015 (COP21), in Paris, Nov. 29, 2015. Reuters/Benoit Tessier

The Eiffel Tower lights up with messages of hope and is transformed into a virtual forest for the international climate change summit hosted by France.

The light installation, created by artist Naziha Mestaoui, calls for a shift to 100 percent renewable energy and the protection of the world's forests. Using 3D mapping techniques, it offers supporters the chance to donate to reforestation projects in the Amazon rainforest and transforms the Eiffel Tower into a virtual forest of trees.

The project, entitled "One heart one tree," aims to engage citizens and help push for an ambitious agreement at the climate change negotiations.

The installation will run to Dec. 4 during the World Climate Change Conference (COP21) in Paris, host to more than 140 world leaders.

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