Tim Laman / Great Bowerbird (Chlamydera nuchalis) male in his bower. The center of the bower avenue is decorated with green fruits. Located on the campus of James Cook University, Townsville, Queensland, Australi...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male performing a peripheral display around his bower while holding a red plastic cap. James Cook University Campus, Townsville, Queensland, Australia, Sept 2009

Ashley Cooper / Solar panels on a building on the campus of Northumbira University, Newcastle upon Tyne, UK. March 2011

Ashley Cooper / Solar panels on a building on the campus of Northumbira University, Newcastle upon Tyne, UK. March 2011

Ashley Cooper / Solar panels on a building on the campus of Northumbria University in Newcastle, UK. March 2011

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College, Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / A solar cooker being used to cook food at the offices of WWF India, in Delhi, India. December 2013

Ashley Cooper / A solar cooker being used to cook food at the offices of WWF India, in Delhi, India. December 2013

Ashley Cooper / Women constructing solar cookers at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, elec...

Ashley Cooper / Solar cookers at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, electrification through...

Ashley Cooper / A vertical axis wind turbine in the campus of Northumbria University, Newcastle upon Tyne, UK. March 2011

Ashley Cooper / A vertical axis wind turbine on the campus of the Northumberland University in Newcastle, North East, UK. November 2011

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Kitchens with cookers powered by solar thermal heat exchangers on the roof. Muni Seva Ashram in Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Solar cookers, solar food dryers and solar water purification devices, as well as solar panels for generating electricity. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Woman with solar cooker used to cook food for the school students at Muni Seva Ashram, Goraj, near Vadodara, India. December.

Ashley Cooper / Solar cookers used to cook food for school students. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Sun reflecting off mirror to make solar cooker, Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. This picture shows a newspaper sets on fire in the 300 degrees...

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Solar powered air conditioning for the Ashram's hospital. Muni Seva Ashram in Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram,Goraj, near Vadodara, India,

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Ashram's bio-gas plant, that is fed with food waste and manure and fuels the kitchens and the Ashram's vehicles. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Student making a fan powered by solar electricity. Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Woman with solar cooker, Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar panels that focus the suns rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 2013.

Ashley Cooper / Solar panels that focus the sun's rays on heat exchangers to boil oil, which is then sent down to the kitchens below to heat the cookers. Muni Seva Ashram, Goraj, near Vadodara, India, December 20...

Ashley Cooper / Solar crematorium at The Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar crematorium at The Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Ashley Cooper / Solar crematorium at The Muni Seva Ashram in Goraj, near Vadodara, India. December 2013.

Sebastian Kennerknecht / Mountain Lion (Puma concolor) biologist, Justine Alyssa Smith, transferring blood for analysis, Santa Cruz Puma Project, UCSC Campus, Santa Cruz, Monterey Bay, California

Sebastian Kennerknecht / UCSC campus and Santa Cruz, Monterey Bay, California

David Tipling / BirdLife Malta stand on campus at a university, speaking to students about the work BirdLife do and recruiting members, during BirdLife Malta Springwatch Camp, April 2013

David Tipling / BirdLife Malta stand on campus at a university, speaking to students about the work BirdLife do and recruiting members, during BirdLife Malta Springwatch Camp, April 2013

David Tipling / BirdLife Malta stand on campus at a university, speaking to students about the work BirdLife do and recruiting members, during BirdLife Malta Springwatch Camp, April 2013

David Tipling / BirdLife Malta stand on campus at a university, speaking to students about the work BirdLife do and recruiting members, during BirdLife Malta Springwatch Camp, April 2013

David Tipling / BirdLife Malta stand on campus at a university, speaking to students about the work BirdLife do and recruiting members, during BirdLife Malta Springwatch Camp, April 2013

David Tipling / BirdLife Malta volunteers at University campus talking to students, BirdLife Malta Springwatch Camp April 2013

Alex Hyde / Fly Agaric (Amanita muscaria) toadstool growing on the University of Nottingham campus, UK, November

Tim Laman / Great Bowerbird (Chlamydera nuchalis) bower with green fruit and other decorations. James Cook University Campus, Townsville, Queensland, Australia, August 2008

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male at his bower decorated with green glass, white plastic, grey plastic, and other decorations. A vehicle passes on the road which is very close to this bower....

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male at his bower decorated with green glass, white plastic, grey plastic, and other decorations. This bower is very close to a road. James Cook University Campus...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male displaying to a female in his bower while holding a piece of pink cloth. This male has decorated his bower with green glass, white plastic, grey plastic, and...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male displaying to a female in his bower while holding a green fruit. This male has decorated his bower with green glass, white plastic, grey plastic, and other d...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male at his bower decorated with green glass, white plastic, grey plastic, and other decorations. This bower is very close to a road visible behind. James Cook Un...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male in his bower. The bower has various green and white and some red decorations including green fruits and various manmade objects. Located on the campus of Jam...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male at his bower, decorated with green glass, white plastic, grey plastic, and other decorations. James Cook University Campus, Townsville, Queensland, Australia...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male at his bower decorated with green fruit and shells. James Cook University Campus, Townsville, Queensland, Australia, August 2008

Jaymi Heimbuch / Coyote (Canis latrans) biologist, Steven Plesh, tracking radio-collared coyotes on college campus, University of Wisconsin-Madison, Madison, Wisconsin

Jaymi Heimbuch / Coyote (Canis latrans) biologist, Steven Plesh, notes down frequencies and location data of nearby radio-collared coyotes on college campus, University of Wisconsin-Madison, Madison, Wisconsin

Jaymi Heimbuch / Coyote (Canis latrans) biologist, Steven Plesh, tracking radio-collared coyotes on college campus, University of Wisconsin-Madison, Madison, Wisconsin

Claudio Contreras / California barrel cactus (Ferocactus cylindraceus) spine detail, El Pinacate Biosphere Reserve, Sonoran desert, Mexico.

Tom Vierus / Fiji goshawk (Accipiter rufitorques) perched in Palm tree (Arecaceae), University of the South Pacific Campus, Suva, Viti Levu, Fiji.

Tom Vierus / Collared lory (Vini solitaria) feeding on berries, University of the South Pacific campus, Suva, Viti Levu, Fiji.

Doug Wechsler / Periodical cicada (Magicicada septendecim) on tree bark at Princeton University campus, New Jersey, USA. June 2021