Half the water flushing a toilet could power your home for days
Photovoltaic solar heating system uses 95% of energy available to heat water
Scientists create light-emitting plants --- eco-friendly urban lighting of the future
Wind and solar could power the world’s major countries most of the time
Electric vehicles could be powered by hydrogen harvested from sewage
A 15-year-old girl invented a solar ironing cart that's winning global respect
New climate pledges, if fulfilled, significantly more likely to prevent worst of global warming
Turning plastic grocery bags into sustainable fuel
Using ocean plastic waste to power ocean cleanup ships
Researchers discover potential method to convert food waste into batteries
Turning wastewater from coffee production into electricity
New lamp generates light for 45 days with half-liter of salt water
New material paves the way for more powerful and safer batteries
Ultrasound can enable faster, more sustainable battery recycling
New solar cells produces a thousand times more power
Bioengineers develop new class of human-powered bioelectronics
Now everyone can build battery-free electronic devices
New solar-powered technology uses salt and water to cool off-the-grid communities
Bill Gates raises over $1 billion for clean energy
New solar cell design paves the way for windows that also provide solar power