While Colombia has a relatively clean domestic electricity matrix, with nearly two-thirds coming from hydroelectricity, the ...

Elzada Clover and Lois Jotter conducted a harrowing 43-day trip down the Colorado River in an effort to map the Grand Canyon's flora.

"Eradication is not feasible." Landowners issue warning after 'nasty' growth takes over entire local area: 'You could make a ...

Investigate whether drinking liquid from a cactus is a viable survival strategy or a potentially harmful mistake.