Known by a variety of names, green roofs – which are built on top of a conventional roof and are partially or completely covered by vegetation – have been around for thousands of years and are popular in many European countries. Scientists at the Department of Energy’s National Energy Technology Laboratory are using green roofs as laboratories to investigate alternative growth media for plants that make use of waste materials generated by the fossil fuel industry.
The Department of Energy’s National Energy Technology Laboratory (NETL) has developed a series of primers that explain the basic functions within electricity markets in the United States. Designed for a wide audience – from government agencies to academia to consumers – these 17 short booklets describe the history, workings, and types of electricity markets that make up our country’s seven regional transmission organizations and independent system operators. They can be downloaded from NETL's website.
A breakthrough project in Texas is using carbon capture, utilization and storage technology to safely secure carbon dioxide pollution underground while providing an economic benefit and increasing our energy security.