A Nepalese woman offers prayers to the setting Sun on the bank of Bagmati River during the Chhath Puja festival in Kathmandu, Nepal, Wednesday, November 10, 2021. During Chhath, an ancient Hindu festival, rituals are performed to thank the Sun God for sustaining life on earth. (Photo by Niranjan Shrestha/AP Photo)

The X-47B prototype on Tuesday flew off an aircraft carrier and into the history books. Today's achievement, the first-ever catapult launch of an unmanned aircraft from the flight deck of a carrier, promises to open up a new chapter in the annals of naval aviation. Photo: An X-47B pilot-less drone combat aircraft is launched for the first time off an aircraft carrier, the USS George H. W. Bush, in the Atlantic Ocean off the coast of Virginia, May 14, 2013. The U.S. Navy made aviation history on Tuesday by catapulting an unmanned jet off an aircraft carrier for the first time, testing a long-range, stealthy, bat-winged plane that represents a jump forward in drone technology. (Photo by Jason Reed/Reuters)

The body of an unidentified man lies on a road barrier near a village recently retaken by Ukrainian forces on the outskirts of Kharkiv, Ukraine, Saturday, April 30, 2022. Ukraine's second-largest city, has been under sustained Russian attack since the beginning of the war in late February. (Photo by Felipe Dana/AP Photo)

Chisanga Mwila dressed as Ariel from The Little Mermaid on Cullercoats beach, Newcastle on Tuesday, May 9, 2023 ahead of the 2023 live-action remake of the film as part of an awareness campaign from sustainable toilet paper company Oceans highlighting the negative impact of marine pollution on the British coastline. (Photo by Owen Humphreys/PA Wire)

"Temptation", part of an installation from the artist-duo David Burns and Austin Young, appears among the works of 30 artists in the multimedia exhibition "The Value of Food: Sustaining a Green Planet" at the Cathedral of St. John the Divine, Wednesday, October 7, 2015, in New York. The exhibition, installed in the cathedral's seven chapels and 14 bays, explores food accessibility, sustainability and other food-related issues and runs through April 3, 2016. (Photo by Bebeto Matthews/AP Photo)

Green building also known as green construction or sustainable building is the practice of creating structures and using processes that are environmentally responsible and resource-efficient.

Fishermen collect their catch from a net at Dojran Lake, Macedonia, January 4, 2017. Fish from the lake is a traditional food for locals for orthodox Christmas eve, which falls on January 6. The lake faced sustainability issues during the 1990s due to drought and excessive use of its water but has since recovered after measures were taken to replenish and sustain water levels, according to local media. Dojran Lake is one of the three natural lakes in Macedonia, and also the warmest. It is said it is also the richest lake in fish in Europe. (Photo by Ognen Teofilovski/Reuters)

Veterinarian William Guerra Neto (2nd R) and an assistant take measurements of two Amazonian manatees who are being rehabilitated after sustaining injuries from hunting and fishing nets at the Center of Amazonian Manatees at Amana Lake in Maraa, Amazonas state, Brazil, September 21, 2015. (Photo by Bruno Kelly/Reuters)