Global fund stakes $1 billion on clean energy
Bill Gates and 20 of the world's top entrepreneurs have a plan for investing in great ideas. They aim to revolutionize the clean energy sector.
African nations unite to combat illegal fishing
One in four fish is caught illegally in the waters off East Africa. A global campaign using satellites aims to stop pirate fishing.
This tech tool helps communities prep for climate change
Cities around the world are getting granular with climate data, using a new tool called PREP to prepare for the local effects of climate change.
Google set to go 100 percent renewable
By 2017, Google expects to power its massive data centers and offices with 100 percent renewable energy, everywhere in the world.
Recycling castaway fishing nets into skateboards and carpets
American companies are recycling nylon from tons of nets collected in fishing villages along Chile’s Pacific coast and in the Philippines.
Solar energy comes in big and small packages
Different technologies capture the sun's light or heat to generate power. It may be done on a large or small scale.
Rare ferrets thrive with daring conservation strategy
Dozens of slinky, ferocious and rare black-footed ferrets are making new homes in Colorado, one year after they were released at a wildlife refuge.
U.S. island in South Pacific goes solar
Remote Ta'ū Island in American Samoa switched from burning 300 gallons of diesel fuel a day to nearly 100 percent solar power. How did they do it?
Airports look to the sun to save money
Airports around the world are looking sunward to power their facilities — and they find solar energy makes good business sense.