Remi Masson / European beaver (Castor fiber) eating branches in the water before approaching the camera, River Rhone, Rhone-Alpes, France, June.

Remi Masson / Group of Barbels (Barbus barbus) spawning, River Rhone, Rhone-Alpes, France, April.

Remi Masson / Group of Black bullhead (Ameiurus melas) shoaling to protect themselves against predators, River Rhone, Rhone-Alpes, France, July.

Remi Masson / Tracking shot of a Eurasian beaver (Castor fiber) swimming underwater, turns to look at camera, River Rhone, Rhone-Alpes, France, June.

Stephane Granzotto / Alpine marmot (Marmota marmota) standing alert outside burrow, takes fright and runs inside, Rhone-Alpes, France, July.

Stephane Granzotto / Alpine ibex (Capra ibex) feeding in deep snow, digging to reach food, Rhone-Alpes, France, December.

Remi Masson / Eurasian beaver (Castor fiber) carrying branches back to lodge, dropping them when alarmed. River Rhone, Rhone-Alpes, France, June.

Remi Masson / Pair of Pumpkinseeds (Lepomis gibbosus) mating, male chasing other individuals away, River Rhone, Rhone-Alpes, France, June.

Remi Masson / Male Common toads (Bufo bufo) fighting underwater during mating season, with a pair mating Ain, Rhone-Alps, France, March.

Remi Masson / Group of Nase (Chondrostoma nasus) and Barbels (Barbus barbus) spawning, River Rhone, Rhone-Alpes, France, April.

Remi Masson / Shoal of Nase (Chondrostoma nasus) spawning, River Ain, Rhone-Alpes, France, April.

Remi Masson / Group of Wels catfish (Silurus glanis) gathered in the River Rhone, France, August.

Remi Masson / European beaver (Castor fiber) swimming underwater and urinating, River Rhone, Rhone-Alpes, France, June.

Benjamin Barthelemy / Close-up of a Red fox (Vulpes vulpes) sniffing, Vanoise National Park, Rhone Alpes, France, November.

Benjamin Barthelemy / Close-up of a Red fox (Vulpes vulpes) resting, with mountains in the background, Vanoise National Park, Rhone Alpes, France, October.

Benjamin Barthelemy / View of La Meije, with Lac du Pontet in the foreground, Ecrins National Park, Savoie, France, June 2014.

David Noton / The Pont St-Benezet, Palais des Papes and Rhone River at dusk, Avignon, Provence, France, October 2012.

Benjamin Barthelemy / Thawing alpine lake, Vanoise National Park, Rhône-Alpes, France, June.

Lorraine Bennery / Lady's slipper orchid (Cypripedium calceolus) Vercors Regional Park, Col du Prayet, Isere , France, May.

Lorraine Bennery / Three toothed orchid (Neotinea tridentata) on the left and with orchid (Ophrys drumana) Vercors Regional Park, Col du Prayet, Isere , France, May.

Lorraine Bennery / Lady's slipper orchid (Cypripedium calceolus) Vercors Regional Park, Col du Prayet, Isere , France, May.

Philippe Clement / Pont Saint-Benezet / Pont d'Avignon over the river Rhône, Avignon, Vaucluse, Provence-Alpes-Cote d'Azur, France. September 2018

Remi Masson / Under the ice of mountain lake. Lacs du Domenon, Isere, Rhone Alpes, France. June.

Mike Read / Fly honeysuckle (Lonicera xylosteum) with water droplets on leaves. Haut Plateau Reserve, Vercors Regional Natural Park, France, June.

Mike Read / Matted globularia (Globularia cordifolia) growing at edge of footpath. Vallon de Combeau, Vercors Regional Natural Park, France. June.

Mike Read / Mountain clover (Trifolium montanum) and Bird's-foot trefoil (Lotus sp). Alpine meadow, Plateau de Beurre, Vercors Regional Natural Park, France. June.

Mike Read / Alpine aster (Aster alpinus) on roadside bank. Near Plateau de Beurre, Vercors Regional Natural Park, France. June.

Mike Read / Mont Aiguille, Vercors Regional Natural Park. Chichilianne, Isere, Rhone-Alpes, France. June 2018.

Mike Read / River Bourne and surrounding deciduous woodland. Gorges de la Bourne, Vercors Regional Natural Park, Rhone-Alpes, France. June 2018.

Mike Read / Bouvante le Haut with surrounding forests and limestone cliffs, view from D199. Vercors Regional Natural Park, Drome, Rhone-Alpes, France. June 2018.

Mike Read / Black rampion (Phyteuma nigrum) amongst Spignel (Meum athamanticum). Vallon de Combeau, Vercors Regional Natural Park, Rhone-Alpes, France. June.

Mike Read / Mountain kidney-vetch (Anthyllis montana) and Bird's-foot trefoil (Lotus sp) in alpine meadow. Plateau de Beurre, Vercors Regional Natural Park, France. June.

Remi Masson / School of Perch (Perca fluviatilis) amongst Water lilies (Nuphar lutea) lit by the sun's rays, Lake Bourget, Alps, Savoie, France, June.

Remi Masson / School of Perch (Perca fluviatilis) amongst Water lilies (Nuphar lutea) lit by the sun's rays, Lake Bourget, Alps, Savoie, France, June.

Remi Masson / School of Perch (Perca fluviatilis) amongst Water lilies (Nuphar lutea) lit by the sun's rays, Lake Bourget, Alps, Savoie, France, June.

Remi Masson / School of Perch (Perca fluviatilis) amongst Water lilies (Nuphar lutea) lit by the sun's rays, Lake Bourget, Alps, Savoie, France, June.

Remi Masson / School of Perch (Perca fluviatilis) amongst Water lilies (Nuphar lutea) lit by the sun's rays, Lake Bourget, Alps, Savoie, France, June.

Remi Masson / Group of Tench (Tinca tinca) swimming in the River Rhone, Rhone-Alpes, France, February.

Remi Masson / European beaver (Castor fiber) swimming under submerged branches outside of its lodge, knocks into camera, River Rhone, Rhone-Alpes, France, July.

Remi Masson / European beaver (Castor fiber) returning to its lodge, River Rhone, Rhone-Alpes, France, June.

Remi Masson / Male Zander (Sander lucioperca) protecting eggs in nest, attacks camera, Rhone-Alpes, France, April.

Remi Masson / European beaver (Castor fiber) entering lodge, River Rhone, Rhone-Alpes, France, June.

Remi Masson / European beaver (Castor fiber) swimming underwater, above branches and foliage stored for eating later. River Rhone, Rhone-Alpes, France, June.

Remi Masson / European beaver (Castor fiber) swimming underwater, above branches and foliage stored for eating later. River Rhone, Rhone-Alpes, France, June.

Remi Masson / European beaver (Castor fiber) swimming at the surface, seen from underwater. River Rhone, Rhone-Alpes, France, June.

Ashley Cooper / AlgaeLink, an algae growing system used to produce ethanol and biodiesel oil from algae. This is more efficient than from growing traditional plant oil crops as it does not take as much space. Chamoni...

Ashley Cooper / Biodiesel production in Chamonix, French Alps, France, October 2007.

Ashley Cooper / AlgaeLink, an algae growing system used to produce ethanol and biodiesel oil from algae. This is more efficient than from growing traditional plant oil crops as it does not take as much space. Chamoni...