Solar prices are down 46% since 2010 for residential solar and 59% for utility-scale solar, as NREL demonstrates another leap forward for concentrating solar cells.
Obama used his executive authority to protect one of the world's iconic ecosystems.
Volvo makes all its trucks for North America in Virginia, where the factory runs on 100% landfill gas.
Lots of acreage protected, but also giveaways such as streamlined permits for fracking on public land.
For the first time, every country agrees to announce climate targets by March 31 and perhaps most important, a goal of zero fossil fuels by 2050 is catching on.
Green technologies from US companies will be promoted in China as part of the joint Climate-Smart/Low-Carbon Cities Initiative.
We weren't booed and hissed at this year because the US is taking some action.
The LEED-like certification is customized for Dunkin restaurants.
Oversight is needed for how climate funds are used, making sure they don't finance big hydro dams and coal.
Mostly focused on North America, the focus is on most efficient buildings, speed adoption of new thinking and technologies in green building.