Adrian Davies / Anti-fracking protest, sign attached to hedge, Balcombe, West Sussex, England. 19th August 2013.

Laurent Geslin / Fulani man brewing tea on calor gas in his house wearing traditional Mauritanian costume, South Mauritania, West Africa, 2005

Andy Rouse / Walrus (Odobenbus rosmarus) colony discharging gas on beach. Svalbard, Norway, August 2011.

Bryan and Cherry Alexander / Gas flare at a Gazprom oil production facility near Noviy Urengoy. Yamal, Western Siberia, Russia.

Bryan and Cherry Alexander / Truck carrying large section of gas pipe on a winter road near the Yurharovo gas field. Noviy Urengoi, Yamal, Western Siberia, Russia.

Bryan and Cherry Alexander / Burning off impure gas in Gazprom's Yamsavey gas fields near Nadym. Yamal, Western Siberia, Russia, 2000.

Bryan and Cherry Alexander / Boiling water exploding into vapour and ice when thrown into cold air at -51 degrees celsius. This is because boiling water is close to a gas and breaks into tiny droplets that freeze simultaneously....

Paul Hobson / Flock of Pink Footed geese (Anser brachyrhynchus) flying low over Liverpool bay, with gas rig behind. England, UK. November.

Philip Stephen / "Beryl Bravo" oil platform blowing off gas, North Sea, March 2010.

Wild Wonders of Europe / Grunewald / Sulphuric gases coming out of a fumarole (solfatara) Vulcano, Aeolian Islands, Italy, May 2009

MORLEY READ / Burning off gas beside pool of waste water, Shushufindi oil prodcution site, Ecuador

Kim Taylor / Floating colonies of Stantor (ciliate protozoa) with gas bubbles used to lift colonies.