His exquisite drawings suggest a particular depth of feeling for the natural world and he was attuned to the emotions of animals. Yet it seems that preservation of nature was not on Leonardo's mind.
Progress, in historical terms, has so often meant clearing places of their native inhabitants – both human and non-human.
Scientists have discovered new evidence of a drought that finished off the Akkadian Empire 4,000 years ago.
Stories of substitution and surrogates are all too common in the wildlife trade, especially when it comes to medicines derived from animal parts.
Oil spills, nuclear meltdowns and chemical poisonings should be taught in schools.
Big Oil has historically played a behind-the-scenes role on American policy and politics. No longer.
Almost 100 years ago, the foundations to preserve the Boundary Waters in Minnesota for recreation were put in place. Now residents are debating whether to allow a mine in its headwaters.
Historically, environmental causes enjoyed bipartisan support but gains by NGOs and the emergence of climate change as a social issue have created a sharp political divide.
What explains the anger behind the Malheur occupation in Oregon, and why does the BLM own so much land in the West?
Like much federal land in the US West, the Malheur National Wildlife Refuge has a long history tied to Native Americans’ plight and conflicts between settlers and the federal government.