Walking along the edge of a seasonally dry lakebed on the eastern outskirts of Mexico City, there is near perfect silence except for the occasional airplane that flies overhead.

In her Hugo-finalist novel Record of a Spaceborn Few, Becky Chambers envisions a future where humanity travels the galaxy in generational ships, their entire civilisation dependent on a well-oiled system of reusing and recycling resources. Every waste product is expertly crafted into something else, sustaining the space travellers for generations.

The buzz in residential real estate is all about sustainability, and the good news is there are a plethora of ways to improve the efficiency and durability of a home.

Officials and planners in Las Vegas say they are working to reduce rising temperatures in a city where paved areas create a warmer environment than plant-covered or rural desert areas.

A Climate Central study reports that, on average, U.S. cities were 2.4 degrees hotter than the surrounding rural areas during the past 10 summers, and Las Vegas topped the list of the most extreme heat islands at 7.3 degrees hotter.

Not all islands make for exciting weekend getaways.

Steffen Lehmann gets animated about a lot of things.

Las Vegas is the fastest-warming city in the country because of a changing climate and a heat island that grows with the community.