President Obama is setting the US on a course toward producing much cleaner energy. Vermont offers a glimpse of that vision – and what the state needed to do to bring it about.
Healy, a 420-foot, 16,000-ton, 30,000-horsepower ship, that's capable of breaking more than 10 feet of ice, arrived at the North Pole one week ahead of schedule.
Less than 24 hours after Beijing hosted a much-awaited military parade under clear skies, the notoriously polluted city was as smoggy as ever.
Oil spills make a big splash on national news, but wastewater spills are a more common occurrence and can be harder to clean up.
Earth has 3 trillion trees – some eight times more than previously thought, according to a new ecological census. That may sound like a lot, but the planet loses some 15 billion every year to deforestation.
New estimates suggest that planet Earth is home to eight times as many trees as previously thought.
A new study has found that majority of seabird species have plastic in their gut.
Oil prices swung wildly over the past week despite few changes in actual supply and demand. The real reason may lie outside of the physical market for crude oil, Nick Cunningham argues.
The president is hoping his hike will offer Americans a glimpse of the effects of climate change in real time.