- Atmospheric carbon dioxide levels reach milestone
- Earth's cooling came to sudden halt in 1900, study shows
- Antarctic ice tells conflicting story about climate change's role in big melt
- China temperature spikes linked to burning of fossil fuels
US recyclers are nervous about losing their largest market after China began enforcing new environmental laws this year.
What happens when ordinary people decide to pay it forward? Extraordinary change...
FreeGeek Chicago gives volunteers hands-on training in restoring old computers to sell or recycle – while they earn credits toward taking home their own desktop or laptop free of charge.