For centuries Native Americans intercropped corn, beans and squash because the plants thrived together. A new initiative is measuring health and social benefits from reuniting the "three sisters."

Debating whether climate change or forest management has caused the devastating wildfires in California, Washington and Oregon is a false choice.

US ideas about conservation center on walling off land from use. That approach often means expelling Indigenous and other poor people who may be its most effective caretakers.

The Trump administration is opening the Arctic National Wildlife Refuge to oil and gas leasing – a step that's as much about politics as it is about energy.

President Trump is scheduled to appear at an Independence Day celebration at Mount Rushmore on July 3. For some, this event will symbolize love of country. Others will see it very differently.

A century ago, the influenza pandemic killed about 50 million people. Today we are battling the coronavirus pandemic. Are we any better off? Two social scientists share five reasons we have to be optimistic.

In the 1800s, Americans hunted many wild species near or into extinction. Then in the early 1900s, the US shifted from uncontrolled consumption of wildlife to conservation. Could Asia follow suit?

Small-scale gold mining operations in developing countries are major sources of toxic mercury pollution, using techniques that haven't changed much since the California Gold Rush 150 years ago.

April 22, 2020 is the 50th anniversary of Earth Day, which catalyzed action to protect the environment not just in the US but internationally.