When Exxon made some of the earliest solar energy technology investments in the early 1970s, the oil company couldn’t have expected it was jump-starting technological breakthroughs that would one day ...

A revolution in geothermal energy, involving both shallow geoexchange systems like New York's Riverie and deep drilling enhanced geothermal techniques, is set to provide baseload clean energy and ...

For centuries, small-scale gold miners have used highly toxic mercury to extract tiny particles of gold from crushed ore. If not carefully managed, the resulting slurry can be devastating to the ...

Kraken Technologies Ltd., a software platform that helps utilities manage the transition to cleaner energy, has kicked off a fresh funding round to raise about $500 million, according to people ...