Global Development

Solar Water Disinfection

A billion people drink highly polluted water. Treating water by putting it in 2 liter cola bottles and setting it in the sun on a black surface for 5 hours kills 99% of pathogens. One of the world's truly great ideas. See http://www.sodis.ch

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Environment

Use a 2 Liter Bottle as a 50 Watt Bulb

A water-filled 2-liter bottle can replace a 50 watt light bulb. Used across Asia and South America. http://bit.ly/bAPUpt

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Environment

Make Roads White

Black roads can increase the temperature in cities by tens of degrees - requiring more air conditioning. http://bit.ly/17bf1mi

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Energy

Solar Roof Tiles

Use solar panels shaped like convetional roofing tiles to generate power and heat. Wikipedia: http://en.wikipedia.org/wiki/Building-integrated_photovoltaics

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Environment

Collect Sunlight, Distribute Through Buildings with Fiber Optics

Sunlight Direct builds a system which collects sunlight with a roof-mounted parabolic mirror, then pipes it to various rooms in a building using fiber optic cables. http://www.sunlight-direct.com/

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Energy

Power Europe with Sahara Solar Plants

Covering 1% of the Sahara with solar plants - about 90,000 square kilometers - would be enough to power Europe (with enough left over to power the rest of the world).| Der Spiegel http://bit.ly/baNNmv

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Energy

Solar Cell Windows

The inventor of solar cell windows just won the Millennium Technology Prize (the world's largest). http://bit.ly/90cz7S

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Global Development

New Solar Light Bulb to Replace Kerosene Lamps

A new solar lightbulb can shine for two hours after a day of charging. Costing $15, it pays for itself quickly. http://bit.ly/9xzweE

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Global Development

New Technology Solar Power for Villages

New technologies allow water pumps, night lighting, and even new sources of revenues for entrepreneurs. http://www.selco-india.com

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Global Development

Solar-powered WiFi

The non-profit Green Wi-Fi brings solar-powered wifi base stations to poor communities to allow cheap and reliable local networking. http://www.green-wifi.org

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Health

Using Solar to Clean Waste Water

New technologies in Germany are using solar power to remove pathogens and chemical pollutants from waste water. Economist Magazine http://bit.ly/bmRh8Y

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active

Technology

Solar-powered Airplane

Solar-powered aircraft are progressing quickly. Economist.com review: http://econ.st/U0wmWE

Submitted by (@jimcashel)
Add your comment

Voting

Awaiting Votes
Voting in Progress
Active