Biden is making $20B available for clean energy projects such as residential heat pumps, electric vehicle charging stations and community cooling centers.

A few months ago, many were ready to invest in huge green-technology projects. Now they say they're scaling back if, indeed, they can get the money together at all.

Over the past five years, Chinese bankrolling of green energy projects overseas has soared as the world’s number two economy and number one polluter rebrands itself as an environmental champion.

Ready-to-scale electrolysis technology and favorable market conditions are poised to accelerate the green hydrogen industry.

When vehicles stop and restart at traffic lights, they can contribute to local pollution. Can AI help things flow better?