Some Western companies see China's upcoming crackdown on imported waste as an opportunity to upgrade their operations and use more recyclables in their own manufacturing, but challenges abound.

Insurance giant AXA has announced a quadrupling of its 2020 green investment target from $3.53 billion to $14.13 billion as the company's CEO warned more than 4 degrees Celsius of warming this century would make the world "uninsurable."

Compared with the planet's other large tracts of tropical forests, the forests in the Democratic Republic of Congo (DRC) have remained relatively intact — although that soon may be changing.

On Tuesday, China announced further details of its forthcoming national emissions trading scheme (ETS), revealing the rollout will start in the energy sector before full implementation from 2020 onwards.

When U.S. Secretary of Energy Rick Perry signed a memorandum of understanding with Saudi Arabia recently to collaborate on technologies to reduce emissions in the kingdom, it was just the latest of many initiatives making the Middle East an attractive place to do green business — with a cautious approach.

As Puerto Rico seeks to repair its decimated electricity system, experts are proposing ways the island can rebuild using better, stronger and cleaner technology that would cut costs, boost resilience and reduce reliance on oil to generate power.

The coming year will make or break U.S. renewable energy markets, as state and regional governments defend their 21st century policies against a Trump administration plan to end competition in the nation’s power markets and subsidize old coal and nuclear plants.

The growing attractiveness of the U.S. renewables sector was again underlined last week, as a new analysis detailed how wind and solar projects in Colorado are set to undercut the cost of existing coal power even when storage costs are included.

The explosion of commercial and residential rooftop solar photovoltaic installations over the past five years has created serious mindshare for distributed energy technologies.

I was at the Greenbuild conference last year, and my general, unscientific assessment would be this: There are many passionate individuals — true believers — holding down the green building fort and pressing it forward.