Jack Dykinga / Patterns in the tidal flats of the delta where the delta is swept by tidal encroachment from the Gulf of California. Evidence of the fresh water flow is observable as plant life turns green. Colorado...

Jack Dykinga / Patterns in the tidal flats of the delta where the delta is swept by tidal encroachment from the Gulf of California. Evidence of the fresh water flow is observable as plant life turns green. Colorado...

Jack Dykinga / Patterns in the tidal flats of the delta where the delta is swept by tidal encroachment from the Gulf of California. Evidence of the fresh water flow is observable as plant life turns green. Colorado...

Jack Dykinga / Patterns in the tidal flats of the Colorado River Delta where the delta is swept by tidal encroachment from the Gulf of California. Receding tide causes waterfalls approximately eight feet high, as...

Juan Carlos Munoz / Aerial view of agricultural landscape, Montana Palentina, Castille and Leon, Spain, January 2019

Juan Carlos Munoz / Aerial view of agricultural landscape, Montana Palentina, Castille and Leon, Spain, January 2019

Franco Banfi / Shoal of colorful yellow fish Panamic porkfish (Anisotremus taeniatus), Cabo Pulmo Marine National Park, Baja California Sur, Mexico

Milan Radisics / Flooded River Pivka , with water covering alpine pastures near Postojna, Slovenia, November 18 2019.

Milan Radisics / Coloured water leaking from photogypsum storage pond creates tidal channels in saltmarsh habitat. Huelva, Southern Spain. Phosphogypsum is a radioactive by-product in the manufacture of phosphoric aci...

Guy Edwardes / Seljalandsfoss Waterfall, Southern Iceland, July 2009.

Ernie Janes / Alpine meadow landscape - Seiser Alm with mountains of Langkofel Group in the background. Dolomoites, South Tyrol, Italy. July 2019.

Orsolya Haarberg / Aerial view of sporadically inhabited islands, Islets and skerries in a wide coastal plain. Husvaer, Helgeland Archipelago, Norway. July.