See that bushy-tailed rodent chattering in the tree outside your house? It could be preparing to take down the electric grid.
Zoom in on a subsurface blizzard in polar waters and you'll find that each flake is a winged, lentil-size snail with a translucent shell, a creature that seems to have sprung straight from Hieronymus Bosch's "Garden of Earthly Delights."
The world's annual energy consumption with its available fossil, nuclear, and renewable energy resources—in one handy graphic.
Environmental news—in case you missed it (from Sierra's September/October 2014 issue).
A few years from now, 80,000 new Indian households a month could extend their lives beyond sunset.
Two college students are turning a coal-era relic into a cultural center.
Art students and professors have lit fires under the civil rights and antiwar movements. Can they do the same for environmentalism?
Why are colleges at the forefront of sustainability? Because their clientele demands it.
Drones could be a boon for conservation--but first, they need to overcome their stigma.
The median rent for an apartment in San Francisco is $3,285. It costs the city less than that to rent the Yosemite valley that broke John Muir's heart.