Apple's novel wind turbine patent uses heat to create power
The energy storage and generation system described in the company's 2011 patent application addresses the variable nature of wind as a clean energy source.
GreenTech Pastures
As the global warming debate rages, Heather Clancy chronicles the smart grid, electric vehicles, alternative energy, green IT and other developments shaping the green technology movement.
Heather Clancy
Heather Clancy is an award-winning business journalist specializing in transformative technology and innovation
Latest Posts
Cleantech investments shrink 33 percent (Plus 9 companies to watch)
The amount of money put into the solar sector decreased sharply, with biofuels, green chemicals and electric vehicle companies picking up the slack - for a total of $6.46 billion in 2012 green technology venture capital.
Revisiting 12 mega cleantech financing deals
With two notable exceptions - Better Place and MiaSole - these big venture capital bets in solar power, energy efficiency, alternative fuels and other green technologies appear to be paying off.
GE jet cooling tech could enable thinner, more energy-efficient gadgets
The same approach used to optimize air flow for jet engines could be used to replace the fans traditionally used in notebooks, tablets and electronics devices.
6 trends that will drive electric vehicle adoption in 2013
Innovations in charging infrastructure and new battery technologies will help get the industry out of first gear over the next 12 months.
Wastewater treatment robot is fueled by human sewage
This isn't just potty talk. The experimental EcBot III uses the microbes in human waste to generate electricity, creating power from the water it cleans.
Clean energy from tornadoes? PayPal co-founder Peter Thiel funds prototype
The experimental technology generates electricity from a 'vortex' fueled by the excess heat at power plants.
How algae is becoming much more than pond scum
From renewable biofuels to wastewater treatment and green building applications, the slimy water plant is getting much more respect in cleantech.
Google gives $23 million to environmental, human rights groups
The seven organizations recognized under the Global Impact Awards program are addressing issues ranging from water scarcity to wildlife protection.
Tis' the season to reconsider gadget power consumption
The identity of the most power-hungry item in your home may surprise you, but it probably is in your living room.