Daniel Heuclin / Mentawai woman sieving semolina, Siberut Island, Sumatra. July 2016.

Loic Poidevin / Gold dredger sieving water, Sewards Peninsula, Nome, Alaska, USA, September, August.

Pascal Tordeux / Farmer with milk to be sent to the Bourg-Saint-Maurice dairy for Beaufort cheese, Savoie, Rhone-Alpes, France, May 2014.

Dave Bevan / Sieving compost through one inch mesh to remove large lumps, UK, model released

Dave Bevan / Gardener sieving raw compost through seive, UK, model released

Willem Kolvoort / Workers sieving the sludge to get separate the gold, Suriname . 2003.

Peter Blackwell / Lesser flamingo feeding {Phoeniconaias minor}, Lake Bogoria, Kenya, 1998

Pete Oxford / Collected nurdles, toxic plastic pellets, washed up ashore, after community based clean up. Betty's Bay, Western Cape, South Africa.

Pete Oxford / Collected nurdles, toxic plastic pellets, washed up ashore, after community based clean up. Betty's Bay, Western Cape, South Africa.

Juergen Freund / Woman sieving sago flour, a starchy food staple most commonly made from Sago palm (Metroxylon sagu). West Papua, Indonesia. 2018.

Edwin Giesbers / Entomologist sieving Insect sample in lab. Long-term monitoring has revealed a 75% decline in insect biomass over 27 years. Entomological Society Krefeld, Germany 2019.

Edwin Giesbers / Entomologist sieving Insect sample in lab. Long-term monitoring has revealed a 75% decline in insect biomass over 27 years. Entomological Society Krefeld, Germany 2019.