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Pope Francis smiles and waves as an enormous crowd surrounds him taking pictures.
Sunrise over a tropical forest with hills in background.
A patchwork of agricultural fields and fragmented Amazon forest.
Cement produces more pollution than all the trucks in the world
economictimes.indiatimes.com

Cement produces more pollution than all the trucks in the world

Manufacturing the stone-like building material is responsible for 7% of global carbon dioxide emissions, more than what comes from all the trucks in the world.
Cores from coral reefs hold secrets of the seas’ past and future
www.quantamagazine.org

Cores from coral reefs hold secrets of the seas’ past and future

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