Storm clouds build over a canola field near Cremona, Alberta, Friday, July 29, 2022. (Photo by Jeff McIntosh/The Canadian Press via AP Photo)

A boy dressed as Lord Krishna is pictured while Hindu devotees march on the streets to celebrate Janmashtami festival, which marks the birth anniversary of Lord Krishna, in Dhaka, August 14, 2017. (Photo by Mohammad Ponir Hossain/Reuters)

Rick Sorenson, owner of the Rio Ramaza Marina, wades in the Sacramento River after securing an old paddlewheel boat on his property as the river makes its way up the levee on Garden Highway in Sacramento, Calif., Monday, January 9, 2017. (Photo by Hector Amezcua/The Sacramento Bee via AP Photo)

Kashmiri women walk in a garden covered with fallen Chinar leaves on the outskirts of Srinagar, Indian controlled Kashmir, Wednesday, November 4, 2020. Kashmiris collect fallen leaves in autumn to make charcoal for use during winters. (Photo by Dar Yasin/AP Photo)

A woman poses after she got an image of a lion tattooed on her back as part of awareness campaign to save Asiatic lions and in preparations for the upcoming Navratri festival in Ahmedabad, India, October 5, 2018. (Photo by Amit Dave/Reuters)

A Pakistani vendor prepares peanuts for sale on a roadside in Peshawar, Pakistan, 01 January 2018. After a good raining season the sales of dry fruits flourish in the country. Tourists from all over Pakistan come to Peshawar to purchase dry fruits along with other items because of price differences between different parts of the country. (Photo by Bilawal Arbab/EPA/EFE)

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.

The lightest material ever made has been produced by a team of scientists in China, a Chinese university announced.