Rubio’s new climate excuse: “I am 100 percent in favor of mitigation, if in fact sea levels are rising.”

Welcome to Rubio's new excuse. At least he's not a scientist.

every plow and then

Sharing tractors? There’s an app for that.

Trringo aims to make expensive equipment accessible to farmers in the Indian countryside.

Social circle jerk

You’re getting a skewed view of this election

Liberals and conservatives absorb totally different streams of news, thanks in part to social media. Here’s how to broaden your perspective.

CO2 little, too late

Relying on future tech to suck up carbon is rolling the dice with the planet

Scientists are trying to develop negative-emissions technologies. Will they work?

Spinning a good yarn

Is synthetic yarn for the birds?

A knitter wonders if it's OK to put acrylic yarn scraps outside for birds to make nests with. Umbra Fisk swoops in with an answer.

Not dead yet!

Satirist writes obituary for the Great Barrier Reef. Internet takes him all too seriously.

What a surprise.

Hurricane Matthew

Haitian farmers took a huge hit from Hurricane Matthew.

Haitian farmers can see their losses in fields littered with rotting fruit and fallen palms.

draw the pipeline

A journalist arrested for filming a pipeline protest could face more prison time than Edward Snowden.

Deia Schlosberg could be sentenced to 45 years in prison.

eats shoots and leaves

This YouTube survivalist can teach you to skin deer and cook rat

Shawn Woods hunts his own meat -- but he doesn't use a gun.