Topic: greenhouse gasses

(Getty/Eric Piermont)

A controversial climate change solution

Emily Pontecorvo - Grist

2017: second-hottest year

Andrea Thompson - Climate Central
(<a href='http://www.shutterstock.com/gallery-87573p1.html'>Ivonne Wierink</a> via <a href='http://www.shutterstock.com/'>Shutterstock</a>)

Vegetarianism is eco-friendly

Susan Levin - Alternet
Loaves of pretzel bread.

Bread, bad for the environment

Lucy Goodchild Van Hilten - Alternet
(Reinhard Tiburzy/Shutterstock)

Lindsay Abrams
(rthoma/Shutterstock)

Lindsay Abrams
(De Visu/Shutterstock)

Lindsay Abrams
Salon logo

Lindsay Abrams
(SurangaSL/Shutterstock)

Lindsay Abrams
(Walmart)

Lindsay Abrams
(pfshots/Shutterstock)

Lindsay Abrams

KEVIN BULLIS