Producer Shaun Macgillivray talks about the 100th anniversary of the National Park Service and what it was like to shoot an IMAX film in some of America’s most iconic locations.
Conservation photographer Boyd Norton’s tips for saving wild places with this vital tool.
President Barack Obama joins the push to halt fossil fuel leases on public lands.
Award-winning wildlife photographer Suzi Eszterhas gets up close and personal with koalas and their rescuers in the first part of her four-book children's series.
Journalist Andrew Nikiforuk details the horrors of fracking, from Alberta to Arkansas.
In 2015, Canada elected the first pro-environmental government in 10 years. What does that mean for 2016?
A California condor returns home, China cuts coal, and microbeads are banned.
Ultra-runners Rob Krar and Christna Bauer reflect on their connection to the proposed Greater Grand Canyon Heritage National Monument.
Sierra's editor in chief sums up the good, the bad and the ugly.