Understand how alternative energy and renewable resources are changing our world, from geothermal to nuclear.
Organic solar cells are made with carbon, oxygen and nitrogen and are cheaper to make, lighter and more flexible than the traditional silicon cells.
Shams 1 in Abu Dhabi is set to open, providing the largest (single-unit) experiment yet in solar (CSP) technology.
BETTER WAYS TO MAKE AND USE ELECTRICITY
A massive, concentrating solar power plant that will open later this year is step in the right direction for a region that has always depended upon oil and gas.
Another study confirms rising levels of mercury emissions worldwide, much of it from gold mining.
LEDs, photovoltaic arrays and motion sensors are helping cinemas save money while lessening their impact on the planet.
Video: Cassandra Lin's group collects used cooking oil, refines it and donates it to help people heat their homes.
Reducing soot from power plants, diesel engines and other sources will also reduce the number of heart attacks and respiratory diseases.
Solar Impulse will circle the globe in 2015, a journey that will take 20 days and 20 nights broken up over several months.
Virtually sulfur-free biodiesel fuel is available in blends for home oil burners.
The deal may give Cape Wind the 'critical mass' to finance construction of the 130-turbine offshore wind farm.
About 7 million American homes could be powered by utility-scale plants under the Department of the Interior's plan for public lands.
Video: Sorry to see 100-watt bulbs disappear from stores because they were energy hogs? LED bulbs will roughly match the 100-watters for size and brightness, but their price may not come close.
By 2030, America could surpass Saudi Arabia in terms of crude output. That's great for energy independence, but it's not all good news.
Video: Bob Sakala bought his Toyota Prius Hybrid to save gas. In the week since Hurricane Sandy, he powered his home on three-quarters of a tank of gas.
Compared to wind turbines, utilizing 'kite surfing' to harness wind power would yield more energy for much less money and could generate energy almost anywhere.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.