US government proposes introducing more wolves to Isle Royale as population dwindles.
Researchers question science behind controversial effort to examine cattle's role in controlling bushfires.
Climate change means that national parks of the future won't look like the parks of the past. So what should they look like?
Gretchen Daily knows the value of ecosystems
Unsatisfied with merely halting environmental destruction, some conservationists are trying to reconstruct ecosystems of the past. Emma Marris travels back in time with the rewilders.
A small group of ecologists is looking beyond the pristine to study the scrubby, feral and untended. Emma Marris learns to appreciate 'novel ecosystems'.
While conservation biologists debate whether to move organisms threatened by the warming climate, one forester in British Columbia is already doing it.
The current crisis in worldwide food prices reinforces the need for more productive agriculture. Emma Marris meets five ambitious scientists determined to stop the world from going hungry.
As many amphibians face the very real threat of being completely wiped out by disease, climate change and pollution, Emma Marris looks at a controversial approach to save some of them in glass boxes.
Forfeiting our commons
The Lancet’s Series on Maternal and Child Undernutrition
President Obama's grand climate plan does not add up
Climate change can no longer be ignored
NGO demands withdrawal of Niyamgiri gram sabha notificatio