GOOD

New “Super Sand” Makes for a Better Water Filter

"Super sand" can deal with at least five times the concentration of heavy metals as pure sand, and it could be relatively cheap to produce.

As a filtration device, plain old sand can be magical. Thousands of years back, people realized that running water through filters of tightly packed sand and gravel could rid it of filth and bacteria and make it safer to drink. Across the world, large-scale municipal water filtration systems depend on sand filters; anyone who’s ever been curious enough about the inner workings of a Brita filter to pry those capsules open know that those ubiquitous pitchers work on much the same principle.

Keep Reading Show less
Articles

Two years, almost to the day, after Lisa Jackson's first appearance on The Daily Show, the E.P.A. chief administrator returned to chat with with Jon Stewart about the state of affairs in the agency.

Then, Jackson was defending the science behind climate change and making assurances that the President's climate policies and pollution preventions wouldn't hurt businesses.

Keep Reading Show less
Articles

How Close Do You Live to Toxic Coal Emissions?

A new interactive map from the Sierra Club lets you see just how close you and your loved ones live to the toxic emissions from coal-burning plants.

The Sierra Club's brilliant and effective Beyond Coal campaign just released this new interactive map that shows the location of every coal plant in the country.

Keep Reading Show less
Articles