Energy & Green Tech

Green roofs are worth the cost for urban residents

Plant-covered roofs have become a regular sight in Portland, Oregon. The city is a leader in incorporating green infrastructure for stormwater management, including free street trees, rebates for small residential housing ...

Energy & Green Tech

Touted as clean, 'blue' hydrogen may be worse than gas, coal

"Blue" hydrogen—an energy source that involves a process for making hydrogen by using methane in natural gas—is being lauded as a clean, green energy to help reduce global warming. But Cornell and Stanford University ...

Energy & Green Tech

Green factories are changing minds in more conservative US states

At least $25.7 billion in new US clean-energy factories are in the works, thanks in part to the generous subsidies in President Joe Biden's landmark climate law. Most of these projects—and the jobs that come with them—are ...