The sharing economy: Grist’s theme for January

When we start substituting sharing for buying, fascinating changes -- disruptions, opportunities, and maybe even climate benefits -- can follow. We'll explore them this month.

The science of why comment trolls suck

A recent study suggests that pushing people's emotional buttons through derogatory comments only entrenches their preexisting beliefs.

The sharing economy, from soup to nuts

Tool libraries! Coworking spaces! Car sharing! The “collaborative consumption” revolution is upon us. Here’s what you need to know to take part.

Green car sales were up in 2012, and should be even more up in 2013

Hybrid and electric cars account for just a tiny fraction of U.S. auto sales -- 3.3 percent in 2012. But that tiny fraction is growing fast!

Condom-themed restaurant will solve hunger and overpopulation simultaneously

Bangkok's Condoms & Cabbages restaurant is decorated with rubber-draped light fixtures and mannequins wearing elaborate condom-based outfits.

Ask Umbra: Eat a baby orange, kill a baby seal?

A reader wonders what happens to the mesh bags clementines come in. Umbra says those darling little oranges can make a mess in the caverns, in the canyons, and even the foaming brine.

Climate change may ruin Lake Tahoe’s beautiful blueness

Not to mention the area's ski resorts.

Did removing lead from gasoline cause crime rates to plummet?

Mother Jones makes a strong case that it did -- but we should remove lead from the environment regardless.

The Greenie Pig’s guide to a cleaner, more sustainable 2013

Grist’s green-living pioneer has spent the past year trying to be a little kinder to the planet. Interested in doing the same? Here are five simple guidelines.