Juergen Freund / Bornean Orangutan (Pongo pygmaeus wurmbii) - 'Siswi' sawing a piece of firewood, Camp Leakey, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia

Ashley Cooper / A forwarder, a specialist machine for cutting timber for biofuel in Grizedale Forest, Lake District, England, UK

Cheryl-Samantha Owen / Men cutting down the dried stalks of harvested baby Corn (Zea mays) for cattle fodder, irrigation system visible in the background. Commercial farm, Tanzania, East Africa. September 2011. Model releas...

Cyril Ruoso / Loggers cutting down tree in the tropical rainforest, Cameroon

Ingo Arndt / Leafcutter Ant (Atta sp) group carrying sections of leaves, to be used for cultivating nutritious fungi, Costa Rica

Solvin Zankl / Namib desert dune ants (Camponotus detritus) on plant stem, cutting it down to carry back to the nest, Namib desert, Namibia

Patricio Robles Gil / Local man with a chain saw cutting down rainforest trees for lumber, northern Espiritu Santo Island, Vanuatu

Jabruson / Man cutting down tree with axe - for timber and then for subsistence farming on edge of Bwindi National Park, Uganda

Mike Read / Footpath cutting across hillside. Fontmell Down Nature Reserve, Dorset, UK. June.