Illustration Photo: Antarctic krill, such as this specimen in the Weddell Sea with a stomach full of yellow algae, are a critical link in the ocean food. (credits: Maia Valenzuela / Flickr Creative Commons Attribution 2.0 Generic (CC BY 2.0))

Illustration Photo: Antarctic krill, such as this specimen in the Weddell Sea with a stomach full of yellow algae, are a critical link in the ocean food. (credits: Maia Valenzuela / Flickr Creative Commons Attribution 2.0 Generic (CC BY 2.0))

Illustration Photo: AFEX-treated GLBRC corn stover before enzymatic hydrolysis. Enzymatic hydrolysis is the breaking down of cellulose polymers into monomeric and oligomeric sugars using cellulase enzymes. (credits: Tyler Wittkopp / Great Lakes Bioenergy Research Center / Flickr Creative Commons Attribution-NonCommercial-NoDerivs 2.0 Generic (CC BY-NC-ND 2.0))

Illustration Photo: U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) researchers help reduce food waste by developing new ways to extend food shelf life and by creating new food products, biobased plastics, and animal feed from food waste. (credits: USDA photo by Stephen Ausmus. / Flickr Creative Commons Attribution 2.0 Generic (CC BY 2.0))

Illustration Photo: U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) researchers help reduce food waste by developing new ways to extend food shelf life and by creating new food products, biobased plastics, and animal feed from food waste. (credits: USDA photo by Stephen Ausmus. / Flickr Creative Commons Attribution 2.0 Generic (CC BY 2.0))

Illustration Photo: Young woman piles cow dung, to be dried for use as fuel for fire. (credits: Scott Wallace / World Bank / Flickr Creative Attribution-NonCommercial-NoDerivs 2.0 Generic (CC BY-NC-ND 2.0))

Illustration Photo: Young woman piles cow dung, to be dried for use as fuel for fire. (credits: Scott Wallace / World Bank / Flickr Creative Attribution-NonCommercial-NoDerivs 2.0 Generic (CC BY-NC-ND 2.0))

Photo: Components of the UHD 185 hyperspectral system: (a) reinforcement notebook computer and ground control station; (b) remote controller; (c) UHD 185 Firefly spectrometer. (credit: Jibo Yue, Guijun Yang, Changchun Li, Zhenhai Li, Yanjie Wang, Haikuan Feng and Bo Xu)

Photo: Components of the UHD 185 hyperspectral system: (a) reinforcement notebook computer and ground control station; (b) remote controller; (c) UHD 185 Firefly spectrometer. (credit: Jibo Yue, Guijun Yang, Changchun Li, Zhenhai Li, Yanjie Wang, Haikuan Feng and Bo Xu)

Illustration Photo: Solar panel in a rural village (Public Domain from Pixabay.com)

Illustration Photo: Solar panel in a rural village (Public Domain from Pixabay.com)

Illustration Photo: A solar rooftop in Metro Manila, The Philippines (credits: CIF Action / Flickr CC BY-NC-ND 2.0)

Illustration Photo: A solar rooftop in Metro Manila, The Philippines (credits: CIF Action / Flickr CC BY-NC-ND 2.0)

Illustration Photo: Fermented sugarcane juice flows through a series of distillation columns to produce ethanol at Raízen’s da Barra mill, Brazil (credits: Shell / Flickr CC BY-NC-ND 2.0)

Wind Farm in India (Credit: Asian Development Bank / Flickr CC BY-NC-ND 2.0)

Wind Farm in India (Credit: Asian Development Bank / Flickr CC BY-NC-ND 2.0)

India One Solar Thermal Power Plant - Abu road - India (Credit: Brahma Kumaris/Flickr CC BY-NC 2.0)

India One Solar Thermal Power Plant - Abu road - India (Credit: Brahma Kumaris/Flickr CC BY-NC 2.0)

Biogas system at Rupantar Bangladesh (Credit: Marufish/Flickr CC BY-SA 2.0)

Biogas system at Rupantar Bangladesh (Credit: Marufish/Flickr CC BY-SA 2.0)

Divya, a representative of Simpa Networks, giving a demo and explaining the benefits of Simpa energy solar set to the residents of Sonsa Village, Mathura Uttar Pradesh (Credit: Asian Development Bank/Flickr CC BY-NC-ND 2.0)

Divya, a representative of Simpa Networks, giving a demo and explaining the benefits of Simpa energy solar set to the residents of Sonsa Village, Mathura Uttar Pradesh (Credit: Asian Development Bank/Flickr CC BY-NC-ND 2.0)

Photo from Public Domain

Construction Site of One Solar Thermal Power Plant in India (Credit: Joachim "Golo" Pilz/Wikimedia Commons CC BY-SA 3.0)

Overview map of GMS Crossborder Power Transmission (Credit: Greater Mekong Subregion Atlas of the Environment (2nd Edition))

Rice husk (Public Domain from Wikimedia)

Renewable energy master plan proposal for Kawamata Town (Credits: Qianna Wang, Martin Mwirigi M’Ikiugu, Isami Kinoshita and Yanyun Luo)

Schematic of soil analysis (Credit: RIKEN Center for Sustainable Resource Science in Japan)

View of the 3.5 kWp rooftop PV plant (Credit: A. Chaita, J. Kluabwang)

View of the 3.5 kWp rooftop PV plant (Credit: A. Chaita, J. Kluabwang)

Proposed HRES layout (Credits: Arnau González, Jordi-Roger Riba and Antoni Rius)