With our level of energy use, no one single renewable energy source can provide all the energy needed in U.S. homes. However, wood-burning boiler systems can be a sustainable energy resource — much more prevalent in many areas than solar or wind energy.

Mining e-waste rather than the Earth for all the precious metals we need to make our new gadgets.

One cryptocurrency transaction uses more energy than the average U.S. household does in a month. 

A legal battle between oil companies and the city and county of Honolulu is coming to a head as a state judge allowed a lawsuit to proceed. 

Batteries are a key piece of technology missing on the path to a future of sustainable energy. Homes need a better way to store electricity to avoid peak utility demand periods. 

Not all rivers flow to an ocean. Some rainfall finds its way to dead seas, places where a stream of water reaches its lowest elevation and stops moving. 

The life of the incandescent bulb has been turbulent. However, the end of the road may be in sight: The LED bulb is here to stay. 

In early November 2021, the United Nations Climate Change Conference took place in Glasgow, Scotland. 

What effects do we see from hordes of park visitors in the COVID-19 era? Can the plumbing systems, or lack thereof, handle the crowds? 

Green bonds look great on paper. However, if the buildings are not greener after participating in the programs, who wins?