It could have been angry and defiant. It could have been despondent and fatalistic. Or worse, it could have been rosy and effervescent.

The Trump administration is expected to roll back the fuel economy standards that were a signature achievement of the Obama administration.

As a woman who has chronicled the technology business for close to three decades (ahem), I’m used to being at briefings where the gender demographics are way out of balance and I am decidedly in the minority.

Seventeen congressional Republicans signed a resolution on Wednesday vowing to seek "economically viable" ways to stave off global warming, challenging the stated views of President Donald Trump, who has called climate change a hoax.

Bringing greener chemicals, materials and process technologies to market and scale is not for the meek.

The murder of activist Sikhosiphi Rhadebe has not stopped communities in South Africa’s Pondoland region from opposing plans for a major titanium mine.

Cities are the incubators of change.

Malaysian activist Bill Kayong fought to save native forest lands from logging and oil palm development.

When it comes to renewable energy, there’s a new kid on the block and he’s making lots of new friends quickly.

Berta Cáceres fought to protect native lands in Honduras — and paid for it with her life.