Technology

This magical filter makes soda into water

This water bottle, which is based on a filter developed by NASA, is so powerful it gets rid of everything in the Coke that makes it Coke, and turns it into plain water.

Sarah Miller Technology

Nitrogen fertilizer is bad stuff — and not just because it could blow up your town

When a massive fertilizer stockpile blew a hole in a small Texas town last week, it should have made us wonder: Why do we need this stuff in the first place?

Tom Laskawy Technology

A master class on the state of clean-energy investment [VIDEO]

Learn about trends in clean energy from one of the smartest guys around, Michael Liebreich, head of Bloomberg New Energy Finance.

David Roberts Technology

So you want to document farm abuses?

Use this handy illustrated guide to find out if a farm protection or ag-gag law would get you into trouble.

Susie Cagle Technology

Two views on ag-gags: The investigator and the farm advocate

Do these laws stop whistleblowers from exposing abuse -- or protect farm security?

Susie Cagle Technology

This solar power system makes electricity and clean water at the same time

The HCPVT works on a basically the same principle as those giant fields of mirrors that concentrate sunlight at the tops of tall towers.

Sarah Laskow Technology

Fracking waste deemed too radioactive for hazardous-waste dump

A truck full of fracking waste was turned away from a Pennsylvania landfill after it set off a radiation alarm. But, hey, nothing to worry about.

John Upton Technology

Spilled tar-sands oil could be creeping toward the Arkansas River

ExxonMobil says it has contained the toxic gunk that spewed into small-town Mayflower, Ark. But one oil spill expert begs to differ.

Suzi Parker Technology

Falling prices for renewable energy could lead to a tripling of investment

Looks like it'll be cheaper than expected to transition from fossil fuels to renewables, according to a report from Bloomberg New Energy Finance.